https://aihearacademy.com/tr/2026-11-041.0 https://aihearacademy.com/tr/hakkinda/2026-11-040.4 https://aihearacademy.com/en/2026-11-041.0 https://aihearacademy.com/en/about/2026-11-040.4 https://aihearacademy.com/en/lessons/d001-what-is-an-audiogram-and-how-do-you-read-it/2026-11-030.8https://aihearacademy.com/medya/en/D001/kapak.pngWhat Is an Audiogram and How Do You Read It?We learn the frequency and dB HL axes of the audiogram and the symbols for the right and left ears and for air and bone conduction. Then we use sample audiograms to read the degree, type and configuration of a hearing loss step by step.https://www.youtube.com/embed/mvQWrEewpKc7492026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d002-what-is-audiology-and-what-does-an-audiologist-do/2026-11-030.8https://aihearacademy.com/medya/en/D002/kapak.pngWhat Is Audiology and What Does an Audiologist Do?We define audiology and look at how it began and how it developed in Türkiye. We cover the fields of audiology and compare the roles of the audiologist, the audiometrist and the ENT physician on the care team.https://www.youtube.com/embed/neQxFaV83fw5862026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d003-how-sound-travels-from-the-ear-to-the-brain/2026-11-030.8https://aihearacademy.com/medya/en/D003/kapak.pngHow Sound Travels from the Ear to the BrainWe follow a sound step by step, from the auricle to the auditory cortex. We explain the roles of the outer, middle and inner ear, how vibration becomes a neural signal, and what the brainstem and the cortex do.https://www.youtube.com/embed/DRqGCMyUu1I6802026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d004-conductive-sensorineural-and-mixed-hearing-loss/2026-11-030.8https://aihearacademy.com/medya/en/D004/kapak.pngConductive, Sensorineural and Mixed Hearing LossWe classify hearing loss by its site. We learn how air and bone conduction thresholds relate, what the air-bone gap is, and how to tell conductive, sensorineural and mixed loss apart on sample audiograms.https://www.youtube.com/embed/WgA9WSgY1wg6352026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d005-degrees-of-hearing-loss-how-severity-is-classified/2026-11-030.8https://aihearacademy.com/medya/en/D005/kapak.pngDegrees of Hearing Loss: How Severity Is ClassifiedWe calculate the pure tone average (PTA) step by step. Using sample audiograms, we compare the 2021 World Health Organization grades of hearing loss with the Clark and ASHA scale.https://www.youtube.com/embed/Oo7KZYBIZUo5772026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d007-inside-an-audiology-clinic-booth-and-core-equipment/2026-11-030.8https://aihearacademy.com/medya/en/D007/kapak.pngInside an audiology clinicWhat do you find in an audiology clinic? In this lesson we tour the sound-treated test booth and see how ambient noise affects thresholds. We also meet the audiometer, the tympanometer, OAE and ABR equipment, the vestibular laboratory and the hearing aid fitting room.https://www.youtube.com/embed/NmLLJm0xV8o6012026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d008-the-audiology-test-battery-what-each-test-tells-us/2026-11-030.8https://aihearacademy.com/medya/en/D008/kapak.pngThe audiology test batteryIn audiology, no single test gives the answer. In this lesson we cover behavioral and objective tests, which part of the auditory pathway each test shows, and the cross-check principle of Jerger and Hayes. We also look at different approaches to test order and, with examples, how the findings are combined.https://www.youtube.com/embed/CBxzHaGuaH46382026-11-03T15:27:53+03:00yes https://aihearacademy.com/en/lessons/d013-what-is-a-decibel-making-sense-of-the-log-scale/2026-11-040.8https://aihearacademy.com/medya/en/D013/kapak.pngWhat Is a Decibel?We explain why we express the huge pressure range of the ear in decibels. With worked examples, we learn the logic of ratios and logarithms, the 10 log formula for intensity and the 20 log formula for pressure, the 20 micropascal reference, and the difference between dB SPL, dB HL and dB SL.https://www.youtube.com/embed/UugOpNBw8GI6942026-11-04T00:10:52+03:00yes https://aihearacademy.com/en/lessons/d017-outer-ear-anatomy-pinna-and-ear-canal/2026-11-040.8https://aihearacademy.com/medya/en/D017/kapak.pngOuter ear anatomyThe outer ear is where sound first enters the ear. In this lesson we cover the auricle (pinna) and its landmarks, the length and curve of the ear canal, and the differences between its cartilaginous and bony parts. We also look at cerumen and clinical links such as collapsing ear canals in audiometry.https://www.youtube.com/embed/xJBm03wfTlA5802026-11-04T00:17:25+03:00yes https://aihearacademy.com/en/lessons/d018-tympanic-membrane-structure-and-landmarks/2026-11-040.8https://aihearacademy.com/medya/en/D018/kapak.pngTympanic Membrane: Structure and LandmarksWe describe the position of the tympanic membrane, or eardrum, its pars tensa and pars flaccida, and its three-layer structure. We learn the otoscopic landmarks, such as the umbo, the manubrium of the malleus and the cone of light, and why they matter clinically.https://www.youtube.com/embed/kEmN8_A2-BE6222026-11-04T00:29:22+03:00yes https://aihearacademy.com/en/lessons/d019-the-middle-ear-cavity-walls-and-neighbors/2026-11-040.8https://aihearacademy.com/medya/en/D019/kapak.pngThe middle ear cavityThe air-filled space behind the tympanic membrane, the tympanic cavity, is small but very important. In this lesson we cover the epitympanum, mesotympanum and hypotympanum, the six walls and their neighboring structures, and the link to the mastoid antrum. We also see how these relate to tympanometry and clinical practice.https://www.youtube.com/embed/Jy6Mop1E6fo5942026-11-04T00:29:22+03:00yes https://aihearacademy.com/en/lessons/d020-the-ossicular-chain-malleus-incus-and-stapes/2026-11-040.8https://aihearacademy.com/medya/en/D020/kapak.pngThe Ossicular Chain : Malleus, Incus and StapesWe describe the parts of the three middle ear ossicles, the malleus, incus and stapes, the joints between them, and how the stapes footplate sits in the oval window. With examples, we see how the chain moves and how chain problems show up on the tympanogram.https://www.youtube.com/embed/eI9brIH5uAg6212026-11-04T00:39:20+03:00yes https://aihearacademy.com/en/lessons/d021-middle-ear-muscles-stapedius-and-tensor-tympani/2026-11-040.8https://aihearacademy.com/medya/en/D021/kapak.pngMiddle ear musclesTwo tiny muscles in the middle ear attach to the ossicular chain: the stapedius and the tensor tympani. In this lesson we cover where they lie and attach, the embryological reason they are supplied by the facial and trigeminal nerves, the acoustic reflex arc, and the clinical importance of these muscles.https://www.youtube.com/embed/oXeitnxGg0k5362026-11-04T00:39:20+03:00yes https://aihearacademy.com/en/lessons/d022-the-eustachian-tube-anatomy-and-function/2026-11-040.8https://aihearacademy.com/medya/en/D022/kapak.pngThe auditory tube: the Eustachian tubeThe Eustachian tube connects the middle ear to the nasopharynx. In this lesson we cover its bony and cartilaginous parts, the muscles that open it, and its ventilation, drainage and protection functions. We also look at how it differs in children, its dysfunctions and how it is assessed in the clinic.https://www.youtube.com/embed/qULjMXNIjEo5722026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d023-the-inner-ear-bony-and-membranous-labyrinth/2026-11-040.8https://aihearacademy.com/medya/en/D023/kapak.pngThe inner ear: the labyrinthThe inner ear is made of two labyrinths, one inside the other. In this lesson we cover the parts of the bony labyrinth, the two windows, and the sacs and ducts of the membranous labyrinth. We also look at the difference between perilymph and endolymph and how endolymphatic hydrops appears on the audiogram.https://www.youtube.com/embed/qRfBszEbGd45942026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d024-cochlear-anatomy-the-three-scalae/2026-11-040.8https://aihearacademy.com/medya/en/D024/kapak.pngCochlear Anatomy: The Three ScalaeWe describe the spiral structure of the cochlea, the modiolus and the three fluid-filled chambers. With clinical links, we learn about Reissner's membrane, the basilar membrane and the stria vascularis, the difference between perilymph and endolymph, the helicotrema and tonotopic organization.https://www.youtube.com/embed/YpRXrmreBlo6802026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d025-the-organ-of-corti-inner-and-outer-hair-cells/2026-11-040.8https://aihearacademy.com/medya/en/D025/kapak.pngThe Organ of Corti: Inner and Outer Hair CellsWe take a close look at the organ of Corti, the sensory organ of the cochlea. We cover the number, structure and roles of inner and outer hair cells, stereocilia, the tectorial membrane, supporting cells and the differences in innervation, and link them to OAE and ABR testing.https://www.youtube.com/embed/d6WiRBN6f886572026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d026-the-vestibular-labyrinth-otoliths-and-canals/2026-11-040.8https://aihearacademy.com/medya/en/D026/kapak.pngThe vestibular labyrinthThe balance part of the inner ear is made of five sensory organs. In this lesson we cover the maculae of the utricle and saccule, the crista and cupula in the semicircular canals, the canal planes and pairs, vestibular hair cells and nerve connections. We also link this anatomy to caloric testing, vHIT and VEMP.https://www.youtube.com/embed/aJAjM3jDus46272026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d027-cranial-nerve-viii-the-vestibulocochlear-nerve/2026-11-040.8https://aihearacademy.com/medya/en/D027/kapak.pngCranial nerve VIIIThe eighth cranial nerve carries hearing and balance information from the inner ear to the brainstem. In this lesson we cover its cochlear and vestibular branches, the spiral and Scarpa's ganglia, type I and type II neurons, efferent fibers, and its position in the internal auditory canal next to the facial nerve. We also link it to the ABR and look at clinical examples.https://www.youtube.com/embed/DTlOtaQsYv06382026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d028-outer-ear-acoustics-resonance-and-direction-cues/2026-11-040.8https://aihearacademy.com/medya/en/D028/kapak.pngThe acoustic role of the outer earThe outer ear does not just collect sound; it boosts certain frequencies and adds direction information. In this lesson we cover the quarter-wave resonance of the ear canal, the natural gain of the open ear, the contribution of the concha and head, time and level differences in localization, and the spectral cues of the pinna. We also see why all this matters in hearing aid fitting.https://www.youtube.com/embed/ITUDvqHGsPc6342026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d029-why-do-we-need-a-middle-ear-impedance-matching/2026-11-040.8https://aihearacademy.com/medya/en/D029/kapak.pngWhy Do We Need a Middle Ear? Impedance MatchingWhen sound passes from air into the fluids of the inner ear, most of its energy is reflected. In this lesson, we look at how the middle ear makes up for this loss: the areal ratio, the ossicular lever, the total gain and its clinical importance, with a sample audiogram.https://www.youtube.com/embed/k5bvAFvjaUs5882026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d030-the-basilar-membrane-and-the-traveling-wave/2026-11-040.8https://aihearacademy.com/medya/en/D030/kapak.pngThe Basilar Membrane and the Traveling WaveThe movement of the stapes becomes a traveling wave that moves along the basilar membrane inside the cochlea. In this lesson, we look at the structure of the basilar membrane, von Békésy's traveling wave, the frequency map from base to apex, known as tonotopy, and its clinical importance.https://www.youtube.com/embed/iP-C_QiwAk46212026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d031-how-hair-cells-turn-sound-into-electrical-signals/2026-11-040.8https://aihearacademy.com/medya/en/D031/kapak.pngFrom sound to electricity : hair cellsHow does the vibration of the basilar membrane become an electrical signal in hair cells? In this lesson we go step by step through stereocilia bending, tip links, potassium entry and depolarization, the endocochlear potential of about +80 mV made by the stria vascularis, and the inner hair cell synapse. As clinical links, we discuss strial loss, otoferlin and auditory neuropathy, ototoxicity and the cochlear microphonic.https://www.youtube.com/embed/Tu4lQmSb7DI7472026-11-04T02:45:00+03:00yes https://aihearacademy.com/en/lessons/d032-the-cochlear-amplifier-outer-hair-cells-and-prestin/2026-11-040.8https://aihearacademy.com/medya/en/D032/kapak.pngThe cochlear amplifier and prestinWhy is a living cochlea so much more sensitive and selective than a dead one? In this lesson we cover outer hair cell electromotility, the motor protein prestin, the cochlear amplifier's gain of about 40 to 50 dB, compression, and its role in frequency selectivity. We also introduce how outer hair cell loss shows on the audiogram and how it relates to otoacoustic emissions.https://www.youtube.com/embed/GkKLafZtyV06202026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d033-how-bone-conduction-hearing-works/2026-11-040.8https://aihearacademy.com/medya/en/D033/kapak.pngHearing by bone conductionHow does vibration of the skull reach the cochlea? In this lesson we cover the compressional, inertial and osseotympanic components of bone conduction and why bone conduction largely reflects the cochlea directly. We also look at the Carhart notch and the clinical importance of the occlusion effect.https://www.youtube.com/embed/m6duHQstJ1U6242026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d036-the-psychosocial-impact-of-hearing-loss/2026-11-040.8https://aihearacademy.com/medya/en/D036/kapak.pngThe psychosocial impact of hearing lossHearing loss affects not only thresholds but also communication, emotions, family and work life. In this lesson we cover communication difficulty and social isolation, listening effort and listening fatigue, stigma, the impact on family members, and the scales that measure these effects.https://www.youtube.com/embed/FKroaxJW2Wg5572026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d037-talking-with-patients-intro-to-audiology-counseling/2026-11-040.8https://aihearacademy.com/medya/en/D037/kapak.pngCounseling in audiologyIn audiology, counseling is an inseparable part of testing. In this lesson we look at the difference between informational and adjustment counseling, active listening and empathy, and using plain language instead of jargon. With examples, we also cover breaking information into chunks and the teach-back method.https://www.youtube.com/embed/5xJ8FnmDS4s5342026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d038-db-spl-vs-db-hl-vs-db-sl-when-to-use-which/2026-11-040.8https://aihearacademy.com/medya/en/D038/kapak.pngdB SPL vs dB HL vs dB SL: When to Use WhichA decibel is always measured against a reference. In this lesson, we use examples to look at the difference between sound pressure level (dB SPL), hearing level (dB HL) and sensation level (dB SL), at RETSPL values and at what the 0 dB HL line on the audiogram really means.https://www.youtube.com/embed/2PXzpqpWYLQ6392026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d040-noise-types-white-pink-and-narrowband-noise/2026-11-040.8https://aihearacademy.com/medya/en/D040/kapak.pngNoise typesWhat is the difference between white noise and pink noise, and why do we use narrowband noise for masking? In this lesson we look at the noise spectrum, equal energy per hertz and per octave, the critical band, narrowband noise and speech noise.https://www.youtube.com/embed/kxgw89hRuf05012026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d042-how-to-read-a-spectrogram-acoustics-of-speech/2026-11-040.8https://aihearacademy.com/medya/en/D042/kapak.pngHow to read a spectrogramA spectrogram is a picture of speech that shows time, frequency and intensity together. In this lesson we cover the spectrogram axes, wideband and narrowband spectrograms, the F1 and F2 formants of vowels, the high-frequency energy of fricatives, voice onset time (VOT) in stops, and why all this matters in high-frequency hearing loss.https://www.youtube.com/embed/WN23NTUY6Wo5992026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d043-the-speech-banana-speech-sounds-on-the-audiogram/2026-11-040.8https://aihearacademy.com/medya/en/D043/kapak.pngThe Speech Banana : Speech Sounds on the AudiogramSpeech sounds fall in a banana-shaped region on the audiogram. In this lesson, we use a sample audiogram to look at the frequency and intensity of speech, the long-term average speech spectrum (LTASS), where vowels and consonants sit on the audiogram and which sounds are missed with hearing loss.https://www.youtube.com/embed/UGxqp5t6j_I5972026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d044-room-acoustics-reverberation-and-signal-to-noise/2026-11-040.8https://aihearacademy.com/medya/en/D044/kapak.pngRoom acoustics : reverberation and SNRHow does the acoustics of a room affect understanding speech? In this lesson we look at direct sound and reflections, reverberation time (RT60), signal-to-noise ratio (SNR), critical distance and classroom acoustics targets (35 dBA, 0.6 seconds, SNR of at least +15 dB). We also compare approaches that improve the room and the signal.https://www.youtube.com/embed/bmf9kOQaB4E5692026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d045-the-central-auditory-pathway-station-by-station/2026-11-040.8https://aihearacademy.com/medya/en/D045/kapak.pngThe central auditory pathwayHow does sound reach the brain after the cochlea? In this lesson we look at the stations of the central auditory pathway, the cochlear nucleus, superior olivary complex, lateral lemniscus, inferior colliculus and medial geniculate body, along with crossed and uncrossed fibers and how these stations relate to the ABR waves.https://www.youtube.com/embed/6dGyr6U1rlM6532026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d046-the-auditory-cortex-and-language-areas/2026-11-040.8https://aihearacademy.com/medya/en/D046/kapak.pngThe auditory cortex and languageThe last stop of the auditory pathway is the auditory cortex. In this lesson we look at the primary auditory cortex on Heschl's gyrus (Brodmann areas 41 and 42), Wernicke's area and the planum temporale, hemispheric specialisation, the corpus callosum and the right ear advantage in dichotic listening.https://www.youtube.com/embed/vh0f5ycOmQI6402026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d048-central-vestibular-pathways-nuclei-cerebellum-eyes/2026-11-040.8https://aihearacademy.com/medya/en/D048/kapak.pngCentral vestibular pathwaysBalance information from the inner ear gathers in the vestibular nuclei of the brainstem and is distributed to the eyes, cerebellum, spinal cord and cortex. In this lesson we look at the four vestibular nuclei, the medial longitudinal fasciculus (MLF), the pathway to the eye muscles, the role of the cerebellum and the vestibulospinal tracts.https://www.youtube.com/embed/G7nGS1nLfnY6992026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d049-how-the-auditory-nerve-codes-frequency-and-intensity/2026-11-040.8https://aihearacademy.com/medya/en/D049/kapak.pngHow the auditory nerve codes soundAuditory nerve fibers code the frequency of a sound by which fiber fires (place coding) and by the timing of spikes (phase locking), and its intensity by firing rate and the number of active fibers. In this lesson we look at tuning curves, the rate-level function, the three fiber groups by spontaneous rate, and what these principles mean in the clinic.https://www.youtube.com/embed/KOkcmAcUVEk6972026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d050-binaural-hearing-why-two-ears-beat-one/2026-11-040.8https://aihearacademy.com/medya/en/D050/kapak.pngBinaural hearingHearing with two ears makes it easier to locate sounds and to understand speech in noise. In this lesson we look at the interaural time difference (ITD), the interaural level difference (ILD), the head shadow effect, binaural summation and binaural squelch, and the everyday effects of one-sided hearing loss.https://www.youtube.com/embed/0Fl7Q-JVYXM6362026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d051-vestibular-physiology-how-we-sense-head-motion/2026-11-040.8https://aihearacademy.com/medya/en/D051/kapak.pngVestibular physiologyThe semicircular canals sense rotation of the head, while the otolith organs sense linear motion and gravity. In this lesson we look at vestibular hair cells, how the cupula is deflected, the role of the otoconia, the canal planes, the push-pull principle and which structure each vestibular test assesses.https://www.youtube.com/embed/2-xwRjBueQM6712026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d052-the-vestibulo-ocular-reflex-keeping-vision-stable/2026-11-040.8https://aihearacademy.com/medya/en/D052/kapak.pngThe vestibulo-ocular reflexThe vestibulo-ocular reflex (VOR) keeps the image steady on the retina by turning the eyes equally and opposite to the head as it moves. In this lesson we look at the three-neuron reflex arc, canal and eye muscle pairings, VOR gain and phase, Ewald's laws, the different ways of measuring the VOR and the symptoms of VOR loss.https://www.youtube.com/embed/yZDvPb4DH9E6592026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d053-how-balance-works-vision-vestibular-somatosensory/2026-11-040.8https://aihearacademy.com/medya/en/D053/kapak.pngHow balance worksBalance comes from the brain combining information from vision, the vestibular system and the somatosensory system. In this lesson we look at sensory weighting, the vestibulospinal reflex (VSR), postural strategies, bedside and computerised balance tests, and the concept of central compensation.https://www.youtube.com/embed/aDHk7Ks6Qck6102026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d054-what-is-nystagmus-slow-and-fast-phases/2026-11-040.8https://aihearacademy.com/medya/en/D054/kapak.pngWhat is nystagmus?Nystagmus is an involuntary, rhythmic movement of the eyes; in vestibular nystagmus the slow phase shows the vestibular drift and the fast phase the corrective jump. In this lesson we look at how direction is named, Alexander's law, slow phase velocity (SPV), peripheral and central patterns, types of nystagmus and recording methods.https://www.youtube.com/embed/2_123WZCU9c6422026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d055-otoscopy-basics-how-to-look-inside-the-ear/2026-11-040.8https://aihearacademy.com/medya/en/D055/kapak.pngOtoscopy Basics: How to Look Inside the EarOtoscopy is the first step of every audiological evaluation. In this lesson, we look at the parts of the otoscope, the correct grip and hand bracing, which way to pull the auricle in adults and infants, normal tympanic membrane findings, the light reflex and how to recognize cerumen impaction.https://www.youtube.com/embed/9IFN5CxVMCE6052026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d056-taking-an-audiological-case-history/2026-11-040.8https://aihearacademy.com/medya/en/D056/kapak.pngThe audiological case historyThe audiological case history is the first step: it decides which tests are done and guides how the results are interpreted. In this lesson we cover questions on hearing loss, tinnitus and dizziness, symptoms that need urgent referral, noise, drug and family history, differences between child and adult histories, and free interviews versus structured forms.https://www.youtube.com/embed/3jZnp0RYNho6032026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d057-tuning-fork-tests-rinne-weber-and-bing/2026-11-040.8https://aihearacademy.com/medya/en/D057/kapak.pngTuning Fork Tests: Rinne, Weber and BingTuning fork tests give quick preliminary information about the type of hearing loss. In this lesson, we look at how to use a 512 Hz tuning fork, what positive and negative Rinne results mean, lateralization in the Weber test, the occlusion effect in the Bing test and the limits of these tests.https://www.youtube.com/embed/jhsnc1kc2yQ6142026-11-04T03:00:00+03:00yes https://aihearacademy.com/en/lessons/d058-how-an-audiometer-works-controls-and-transducers/2026-11-040.8https://aihearacademy.com/medya/en/D058/kapak.pngHow an audiometer worksAn audiometer is a device that produces calibrated test sounds and delivers them through earphones, a bone vibrator or a loudspeaker. In this lesson we compare the frequency, intensity, presentation and output controls, zero dB HL and calibration, continuous and pulsed tones, supra-aural and insert earphones, the bone vibrator and the sound-field loudspeaker.https://www.youtube.com/embed/eHe4EezGa0M5952026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d059-preparing-for-pure-tone-audiometry/2026-11-040.8https://aihearacademy.com/medya/en/D059/kapak.pngPreparing for pure-tone audiometryAn accurate threshold starts with good preparation. In this lesson we go step by step through the test environment, the checks before testing, standard patient instructions and response methods, ear canal collapse and false high-frequency loss, and correct placement of supra-aural earphones and insert foam tips.https://www.youtube.com/embed/6yR_zVpjMus5822026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d060-finding-air-conduction-thresholds-hughson-westlake/2026-11-040.8https://aihearacademy.com/medya/en/D060/kapak.pngFinding Air-Conduction Thresholds : Hughson-WestlakeIn pure tone audiometry, air conduction thresholds are found with the modified Hughson-Westlake method. In this lesson, we go step by step through the definition of threshold, familiarization, the down 10 dB, up 5 dB rule, the frequency order, a sample threshold search and common mistakes.https://www.youtube.com/embed/HysQpk5PVA07882026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d061-how-to-perform-bone-conduction-audiometry/2026-11-040.8https://aihearacademy.com/medya/en/D061/kapak.pngHow to Perform Bone-Conduction AudiometryBone conduction thresholds tell us whether a hearing loss is conductive or sensorineural. In this lesson, we use a sample audiogram to look at mastoid and forehead placement of the bone vibrator, test frequencies, interaural attenuation, vibrotactile responses, acoustic radiation and the occlusion effect.https://www.youtube.com/embed/XbUp6f2bomM7162026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d062-audiogram-symbols-and-recording-standards/2026-11-040.8https://aihearacademy.com/medya/en/D062/kapak.pngAudiogram symbolsIn this lesson we learn the ASHA audiometric symbols: unmasked and masked air-conduction and bone-conduction symbols, the no-response mark, and the rules for color and lines. With sample audiograms, we also look at the transducer, masking and reliability information that should be added to the audiogram.https://www.youtube.com/embed/BfIOkfmaXSI5622026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d063-audiogram-configurations-and-what-they-suggest/2026-11-040.8https://aihearacademy.com/medya/en/D063/kapak.pngAudiogram Configurations and What They SuggestConfiguration is the shape that thresholds trace across frequency on the audiogram. In this lesson, we use sample audiograms to look at flat, rising, sloping and precipitously sloping configurations, the 4 kHz notch, and the cookie-bite and reverse cookie-bite shapes, and we discuss how to describe them in a report.https://www.youtube.com/embed/_uj4j9xAqoU6092026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d064-common-mistakes-in-pure-tone-audiometry/2026-11-040.8https://aihearacademy.com/medya/en/D064/kapak.pngCommon mistakesIn this lesson we look at common mistakes in pure-tone audiometry: false positive and false negative responses, collapsing ear canals, earphone and vibrator placement errors, forgotten masking and the shadow curve, and environment, equipment and recording errors. We also cover simple ways to check whether a result is consistent.https://www.youtube.com/embed/W9A59X58IiQ6152026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d066-outer-ear-disorders-wax-otitis-externa-exostosis/2026-11-040.8https://aihearacademy.com/medya/en/D066/kapak.pngOuter ear disordersIn this lesson, we look at common disorders of the ear canal: impacted wax and its effect on hearing, otitis externa (swimmer's ear) and otomycosis, and exostosis (surfer's ear) and osteoma. For each one, we discuss what the audiologist should watch for, which tests to postpone and when to refer to a physician.https://www.youtube.com/embed/VDhkdnJFsSM6142026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d067-types-of-otitis-media-acute-effusive-chronic/2026-11-040.8https://aihearacademy.com/medya/en/D067/kapak.pngTypes of Otitis Media : Acute, Effusive, ChronicOtitis media, or middle ear inflammation, is very common in childhood and is one of the main causes of conductive hearing loss. In this lesson, we use sample data to look at acute otitis media (AOM), otitis media with effusion (OME) and chronic suppurative otitis media (CSOM), their audiogram and tympanogram findings, and tympanostomy tubes.https://www.youtube.com/embed/2kVPYoc3lyw6842026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d068-eardrum-perforation-and-its-effect-on-hearing/2026-11-040.8https://aihearacademy.com/medya/en/D068/kapak.pngEardrum perforationIn this lesson, we look at tympanic membrane perforation: its causes, the factors that determine the size of the hearing loss, and audiogram and tympanometry findings. We also discuss how traumatic perforations heal, the concepts of myringoplasty and tympanoplasty, and the audiologist's role before and after surgery.https://www.youtube.com/embed/sbtYFMT-C146032026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d069-cholesteatoma-what-every-audiologist-should-know/2026-11-040.8https://aihearacademy.com/medya/en/D069/kapak.pngWhat is cholesteatoma ?In this lesson, we look at cholesteatoma: its congenital and acquired types, how it develops from a retraction pocket, ossicular erosion and conductive hearing loss. We also discuss warning signs of complications, when to refer to a physician, and audiological follow-up after mastoidectomy.https://www.youtube.com/embed/K9GkHnCE7CQ6902026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d070-otosclerosis-stapes-fixation-and-the-carhart-notch/2026-11-040.8https://aihearacademy.com/medya/en/D070/kapak.pngOtosclerosis : Stapes Fixation and the Carhart NotchOtosclerosis fixes the stapes footplate in the oval window and causes a progressive conductive hearing loss. In this lesson, we use sample data to look at the clinical picture of otosclerosis, its typical audiogram, the Carhart notch, tympanometry and acoustic reflex findings, and surgical and hearing aid options.https://www.youtube.com/embed/9nPFLphxT846212026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d071-ossicular-discontinuity-and-middle-ear-trauma/2026-11-040.8https://aihearacademy.com/medya/en/D071/kapak.pngOssicular discontinuity and traumaIn this lesson, we look at ossicular chain discontinuity and middle ear trauma: incudostapedial joint separation, a large air-bone gap, the type Ad tympanogram and acoustic reflex findings. We also discuss barotrauma, hemotympanum, temporal bone fractures and follow-up after trauma.https://www.youtube.com/embed/twmIAez2eWE5992026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d072-eustachian-tube-dysfunction-and-negative-pressure/2026-11-040.8https://aihearacademy.com/medya/en/D072/kapak.pngEustachian tube dysfunctionIn this lesson, we look at the subtypes of Eustachian tube dysfunction: a tube that fails to open and negative middle ear pressure, eardrum retraction, type C and type B tympanograms, links with adenoid hypertrophy and cleft palate, and the patulous Eustachian tube. We also discuss assessment tools and treatment options.https://www.youtube.com/embed/szDMgwJOcAs6332026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d074-turkish-speech-sounds-vowels-and-consonants/2026-11-040.8https://aihearacademy.com/medya/en/D074/kapak.pngTurkish speech soundsIn this lesson we look at the speech sounds of Turkish: the features of its eight vowels and vowel harmony, and how consonants are classified by place, manner and voicing. We also discuss which sounds are confused in hearing loss, why, and how to use this in the clinic.https://www.youtube.com/embed/O0pHdKWg_KI6862026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d075-language-milestones-from-birth-to-age-five/2026-11-040.8https://aihearacademy.com/medya/en/D075/kapak.pngLanguage milestonesIn this lesson we look at the milestones of language development from birth to age five: cooing and canonical babbling, first words and two-word combinations, and preschool language skills. We also discuss how babbling relates to hearing, the warning signs, and language assessment tools used in Türkiye.https://www.youtube.com/embed/bVQHXvvxxI46492026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d076-the-auditory-skills-hierarchy-detection-to-comprehension/2026-11-040.8https://aihearacademy.com/medya/en/D076/kapak.pngAuditory skills hierarchyIn this lesson we look at Erber's auditory skills hierarchy: detection, discrimination, identification and comprehension. We discuss sample activities for each level, ways to adjust difficulty, and how the levels are used in rehabilitation goals.https://www.youtube.com/embed/wucWbYulHoo6022026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d077-critical-periods-and-neuroplasticity-in-hearing/2026-11-040.8https://aihearacademy.com/medya/en/D077/kapak.pngCritical periods and neuroplasticityThe auditory brain needs sound to develop. In this lesson we look at neuroplasticity, the difference between critical and sensitive periods, the effect of auditory deprivation on the central auditory pathways, P1 latency findings in children with cochlear implants, and the 1-3-6 early identification goals.https://www.youtube.com/embed/okxlLXIIo9I6602026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d078-language-development-in-children-with-hearing-loss/2026-11-040.8https://aihearacademy.com/medya/en/D078/kapak.pngLanguage in children with hearing lossHow does hearing loss affect a child's language development? In this lesson we look at the effect of the degree of loss and the age at onset, the difference between prelingual and postlingual loss, vocabulary and grammar development, and the role of family involvement and device use.https://www.youtube.com/embed/dRe0BKTY7rs6472026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d080-loudness-perception-phons-and-sones/2026-11-040.8https://aihearacademy.com/medya/en/D080/kapak.pngLoudness: phons and sonesIntensity is physical; loudness is perceptual. In this lesson we look at equal-loudness contours, the phon and sone units, why 40 phons equal 1 sone, why a rise of about 10 phons doubles loudness, and what this means in the clinic.https://www.youtube.com/embed/_f2MDJCmEZA6602026-11-04T03:15:00+03:00yes https://aihearacademy.com/en/lessons/d082-masking-and-the-critical-band/2026-11-040.8https://aihearacademy.com/medya/en/D082/kapak.pngMasking and the critical bandWhy does noise make a sound inaudible? In this lesson we look at psychoacoustic masking, Fletcher's critical band experiment, auditory filters, why low-pitched sounds mask high-pitched sounds more, known as the upward spread of masking, forward and backward masking, and informational masking.https://www.youtube.com/embed/OgmadqIhvQ07062026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d083-temporal-processing-gap-detection-and-integration/2026-11-040.8https://aihearacademy.com/medya/en/D083/kapak.pngTemporal processingHow finely can the ear resolve time? In this lesson we look at temporal resolution and the gap detection threshold, temporal integration over about 200 to 300 milliseconds, temporal ordering and the clinical tests that measure them, through their links with speech perception.https://www.youtube.com/embed/H8njKhW12Pk6542026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d084-sound-localization-and-binaural-perception/2026-11-040.8https://aihearacademy.com/medya/en/D084/kapak.pngSound localization and binaural perceptionHow does the brain find where a sound comes from? In this lesson we look at the difference between lateralization and localization, the minimum audible angle, the psychoacoustic basis of the duplex theory, the precedence effect, the binaural masking level difference and the clinical importance of spatial release from masking.https://www.youtube.com/embed/EwdTRDbry9g6622026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d085-how-cochlear-damage-changes-perception-recruitment/2026-11-040.8https://aihearacademy.com/medya/en/D085/kapak.pngCochlear damage and recruitmentCochlear damage does more than raise the threshold. In this lesson we look at the abnormally rapid growth of loudness known as recruitment, the reduced dynamic range, reduced frequency selectivity, temporal changes, and how they affect understanding in noise and hearing aid fitting.https://www.youtube.com/embed/-InWmEUZgtQ7222026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d087-why-we-mask-interaural-attenuation-explained/2026-11-040.8https://aihearacademy.com/medya/en/D087/kapak.pngWhy We Mask : Interaural Attenuation ExplainedSound delivered to the test ear can cross the skull to the opposite cochlea and lead to false thresholds. In this lesson, we use sample audiograms to look at cross-hearing, the shadow curve, interaural attenuation (IA) values and the advantages of insert earphones.https://www.youtube.com/embed/MTJFM3ZCbcE7062026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d088-when-is-air-conduction-masking-needed/2026-11-040.8https://aihearacademy.com/medya/en/D088/kapak.pngWhen Is Air-Conduction Masking Needed?In air conduction testing, masking is needed when the difference between the air conduction threshold of the test ear and the bone conduction threshold of the non-test ear reaches interaural attenuation. In this lesson, we use sample audiograms to work through the test ear (TE) and non-test ear (NTE), the masking rule and the difference between supra-aural and insert earphones.https://www.youtube.com/embed/pT8IPj6jPxk6282026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d089-when-is-bone-conduction-masking-needed/2026-11-040.8https://aihearacademy.com/medya/en/D089/kapak.pngWhen Is Bone-Conduction Masking Needed?In bone conduction, interaural attenuation is about zero, so an unmasked bone conduction threshold does not tell us which ear it belongs to. In this lesson we use sample audiograms to work through the bone conduction masking rule, how to read the air-bone gap, the occlusion effect correction and the two possible outcomes.https://www.youtube.com/embed/butWH7R-4ac6662026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d090-effective-masking-level-minimum-and-maximum/2026-11-040.8https://aihearacademy.com/medya/en/D090/kapak.pngEffective Masking Level: Minimum and MaximumHow much noise should we give to the opposite ear? In this lesson we work through effective masking (dB EM) calibration, how to calculate minimum and maximum masking, undermasking and overmasking, central masking and the masking window, with sample calculations.https://www.youtube.com/embed/goJLF92N4KY6842026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d091-the-plateau-masking-method-step-by-step/2026-11-040.8https://aihearacademy.com/medya/en/D091/kapak.pngThe plateau method, step by stepThe plateau method is the core way to set the masking noise level in clinical masking and to find the true threshold of the test ear. In this lesson we work step by step through the initial masking level, 5 dB noise increments, the plateau criterion and how to avoid overmasking, using a sample measurement.https://www.youtube.com/embed/UNO43-oZ2lc7692026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d092-the-masking-dilemma-in-bilateral-conductive-loss/2026-11-040.8https://aihearacademy.com/medya/en/D092/kapak.pngThe Masking Dilemma in Bilateral Conductive LossIn bilateral conductive loss, the least noise needed can exceed the most noise allowed. In this lesson we use sample calculations to work through why the masking dilemma happens, how insert earphones help, cross-check tests and how bone-conduction ABR gives ear-specific information.https://www.youtube.com/embed/RNsmYvJ5JFM6732026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d093-masking-practice-with-real-audiograms/2026-11-040.8https://aihearacademy.com/medya/en/D093/kapak.pngMasking Practice with Real AudiogramsWe apply the rules of clinical masking step by step to three sample audiograms: a unilateral severe sensorineural loss, a unilateral conductive loss and a mixed loss. In each case we work out the air and bone conduction masking decision, the initial masking level, the plateau method and the overmasking limit together.https://www.youtube.com/embed/Jg9mgHEfY-k9622026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d094-why-speech-audiometry-goals-and-test-types/2026-11-040.8https://aihearacademy.com/medya/en/D094/kapak.pngWhy Speech Audiometry? Goals and Test TypesA pure tone audiogram shows how soft a sound we can hear; speech audiometry measures how well we understand speech. In this lesson we introduce the goals of speech audiometry, threshold tests (SDT, SRT), suprathreshold tests (SDS, MCL, UCL), test materials and the ideas of open and closed sets.https://www.youtube.com/embed/pVjpp9PLdhs5932026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d095-how-to-find-the-speech-recognition-threshold-srt/2026-11-040.8https://aihearacademy.com/medya/en/D095/kapak.pngSpeech recognition threshold: SRTThe speech recognition threshold (SRT) is the lowest level at which fifty percent of two-syllable words are repeated correctly, and it is used to cross-check pure tone thresholds. In this lesson we cover spondee words, familiarization, the ASHA descending method, a sample SRT calculation and agreement between the SRT and the pure tone average (PTA).https://www.youtube.com/embed/dySA-Fty0DA6152026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d096-how-to-measure-word-recognition-scores/2026-11-040.8https://aihearacademy.com/medya/en/D096/kapak.pngWord recognition scoreThe speech discrimination score (SDS) is the percentage of words repeated correctly when they are presented at a comfortably audible level. In this lesson we cover phonetically balanced word lists, choosing the test level, recorded material versus monitored live voice (MLV), and how to interpret the scores.https://www.youtube.com/embed/H9iLq6Zv1nM5932026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d097-speech-test-materials-in-turkish/2026-11-040.8https://aihearacademy.com/medya/en/D097/kapak.pngSpeech Test Materials in TurkishSpeech tests depend on language, so Turkish needs materials developed specifically for it. In this lesson we look at how the Turkish language shapes test design, the one-syllable and three-syllable word lists used in Türkiye, closed-set testing for children, and sentence tests such as the Turkish Matrix Sentence Test, the Turkish HINT and QuickSIN-TR.https://www.youtube.com/embed/hbEnJVzRbRI6492026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d098-performance-intensity-function-and-rollover/2026-11-040.8https://aihearacademy.com/medya/en/D098/kapak.pngPerformance-Intensity Function and RolloverWhen we measure the word recognition score at several levels instead of one, we get the performance-intensity function. In this lesson we look at how the PI-PB curve is drawn, the normal, conductive, cochlear and retrocochlear curve shapes, how to calculate PBmax and the rollover index, and where these findings stand in the clinic today.https://www.youtube.com/embed/8PRwfYgjzYE6542026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d099-speech-in-noise-tests-quicksin-hint-matrix/2026-11-040.8https://aihearacademy.com/medya/en/D099/kapak.pngSpeech-in-Noise Tests: QuickSIN, HINT, MatrixThe most common complaint of people with hearing loss is understanding speech in noise, and a word score in quiet does not fully show this. In this lesson we look at signal-to-noise ratio and SNR loss, how QuickSIN, HINT and matrix tests are built, how to interpret their results and how to use them in hearing aid counseling.https://www.youtube.com/embed/SSy0z1ZxuAs6432026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d100-masking-in-speech-audiometry/2026-11-040.8https://aihearacademy.com/medya/en/D100/kapak.pngMasking in Speech AudiometryIn speech tests, especially word recognition testing at high levels, the opposite ear can hear the speech. In this lesson we work through the masking rule for SRT and SDS, speech noise, how to calculate the minimum and maximum effective masking levels, and the practical rule of presentation level minus twenty decibels, using a sample audiogram.https://www.youtube.com/embed/qL3Tbnrs-Ec6792026-11-04T03:30:00+03:00yes https://aihearacademy.com/en/lessons/d101-most-comfortable-and-uncomfortable-loudness-levels/2026-11-040.8https://aihearacademy.com/medya/en/D101/kapak.pngMost Comfortable and Uncomfortable Loudness LevelsThe most comfortable level (MCL) and the uncomfortable loudness level (UCL) show not just the threshold of hearing but its usable range. In this lesson we look at the loudness category scale, the measurement steps, how to calculate dynamic range, the narrowed range in cochlear loss, and how these measures are used in hearing aid fitting and in assessing sound sensitivity.https://www.youtube.com/embed/5mUL8olDxmE5652026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d102-sound-field-audiometry-and-aided-thresholds/2026-11-040.8https://aihearacademy.com/medya/en/D102/kapak.pngSound-Field Audiometry and Aided ThresholdsIn sound-field audiometry, the stimulus is delivered through a loudspeaker instead of earphones. In this lesson we look at loudspeaker placement and the reference point, why warble tones and narrowband noise are used instead of pure tones, how to calculate aided thresholds and functional gain, and the limitations of this method today.https://www.youtube.com/embed/Bv8Py-IAXwU6172026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d103-acoustic-immittance-impedance-and-admittance/2026-11-040.8https://aihearacademy.com/medya/en/D103/kapak.pngAcoustic Immittance: Impedance and AdmittanceImmittance testing measures how easily the middle ear transmits sound. In this lesson we look at impedance, admittance and immittance, the mass, stiffness and resistance components, the resonant frequency of the middle ear, why a 226 Hz probe tone is chosen for adults, and how the ear canal and the middle ear each contribute to the measurement.https://www.youtube.com/embed/f77EJHho2eA5962026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d104-how-to-perform-tympanometry/2026-11-040.8https://aihearacademy.com/medya/en/D104/kapak.pngHow to perform tympanometryTympanometry measures the admittance of the middle ear system while the pressure in the ear canal is varied. In this lesson we cover otoscopy and patient preparation, probe tip selection and the hermetic seal, the pressure sweep from plus 200 to minus 400 daPa, and the basic values measured (ECV, peak admittance, TPP, TW).https://www.youtube.com/embed/05pK4sCyJkA5972026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d105-tympanogram-types-jerger-a-as-ad-b-and-c/2026-11-040.8https://aihearacademy.com/medya/en/D105/kapak.pngTympanogram typesThe Jerger classification sorts tympanograms into types A, As, Ad, B and C by peak pressure and peak height. In this lesson we look at which middle ear conditions each type suggests, and how ear canal volume (ECV) separates effusion, perforation and blockage in a type B tympanogram, with examples.https://www.youtube.com/embed/bJHqvVq_Gfo6532026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d106-tympanometric-values-peak-pressure-width-volume/2026-11-040.8https://aihearacademy.com/medya/en/D106/kapak.pngTympanometric Values: Peak, Pressure, Width, VolumeThe numbers on a tympanogram matter as much as its letter type. In this lesson we use examples to look at how peak compensated static admittance (Ytm), tympanometric peak pressure (TPP), tympanometric width (TW) and ear canal volume (ECV) are measured, their approximate normal ranges in adults, and the test conditions that affect the results.https://www.youtube.com/embed/rxdls4-4jQg6432026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d107-high-frequency-1000-hz-tympanometry-in-infants/2026-11-040.8https://aihearacademy.com/medya/en/D107/kapak.pngHigh-Frequency (1000 Hz) Tympanometry in InfantsIn infants younger than six months, a 226 Hz tympanogram can look normal even when there is fluid in the middle ear. In this lesson we use examples to look at the features of the neonatal ear canal, measurement with a 1000 Hz probe tone, and interpretation based on a positive peak.https://www.youtube.com/embed/c7kvKRbX3Z46052026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d108-the-acoustic-reflex-pathway-and-normal-thresholds/2026-11-040.8https://aihearacademy.com/medya/en/D108/kapak.pngThe acoustic reflex and its arcThe acoustic reflex is a response produced by contraction of the stapedius muscle to a loud sound, and it is measured with an immittance device. In this lesson we cover the ipsilateral and contralateral reflex arc, normal reflex thresholds, measurement technique and common artifacts.https://www.youtube.com/embed/Qdm047memuo6782026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d109-acoustic-reflex-patterns-and-site-of-lesion/2026-11-040.8https://aihearacademy.com/medya/en/D109/kapak.pngAcoustic Reflex Patterns and Site of LesionWhen ipsilateral and contralateral acoustic reflex findings are read together, conductive, cochlear, retrocochlear, brainstem and facial nerve patterns emerge. In this lesson we interpret the four-measurement reflex table, the Metz test and sample patterns step by step.https://www.youtube.com/embed/Jy-qYjqmXVw7292026-11-04T03:45:00+03:00yes https://aihearacademy.com/en/lessons/d110-the-acoustic-reflex-decay-test/2026-11-040.8https://aihearacademy.com/medya/en/D110/kapak.pngThe Acoustic Reflex Decay TestThe acoustic reflex decay test measures whether the reflex is maintained during a 10 second continuous tone presented 10 dB above the reflex threshold. In this lesson we use an example to look at how the test is done, the half-life, what a positive result means and how it relates to retrocochlear pathology.https://www.youtube.com/embed/03XHRfTT7WQ5972026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d113-audiometer-calibration-why-and-how/2026-11-040.8https://aihearacademy.com/medya/en/D113/kapak.pngAudiometer Calibration : Why and HowAudiometer calibration verifies that the sound produced by earphones, bone vibrators and loudspeakers agrees with standards such as ISO 389 and IEC 60645. In this lesson we look at the RETSPL concept, the role of the artificial ear, the coupler and the sound level meter, the properties that are measured, and the daily, periodic and exhaustive levels of calibration.https://www.youtube.com/embed/wjgfb2jHj0k6792026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d114-the-daily-biological-listening-check/2026-11-040.8https://aihearacademy.com/medya/en/D114/kapak.pngThe Daily Biological Listening CheckThe daily biological check is a visual and listening inspection of the audiometer every morning before the first patient. In this lesson we go step by step through checking cables, earphones and the bone vibrator, comparing with your own thresholds, checking for crosstalk, crackle and noise, and the daily check form.https://www.youtube.com/embed/g4QVDcOpyW85122026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d120-sensitivity-specificity-and-predictive-values/2026-11-040.8https://aihearacademy.com/medya/en/D120/kapak.pngSensitivity, Specificity and Predictive ValuesHow well a test performs is described by its sensitivity, specificity and predictive values. In this lesson we use a fictional newborn hearing screening example to build the two-by-two table, calculate the four measures, and look at the cost of false positive and false negative results and the effect of prevalence on the positive predictive value.https://www.youtube.com/embed/EGgl3eKAS_Y6132026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d121-what-are-otoacoustic-emissions/2026-11-040.8https://aihearacademy.com/medya/en/D121/kapak.pngOtoacoustic emissionsOtoacoustic emissions (OAEs) are very faint sounds produced by the active function of the cochlear outer hair cells and recorded in the ear canal. In this lesson we cover Kemp's discovery in 1978, spontaneous and evoked OAE types, the link with outer hair cells, and the effect of the middle ear on OAE measurement.https://www.youtube.com/embed/0lhf2EKzeLE6392026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d122-transient-evoked-otoacoustic-emissions-teoae/2026-11-040.8https://aihearacademy.com/medya/en/D122/kapak.pngTransient-Evoked Otoacoustic Emissions (TEOAE)TEOAE is the broadband response of the cochlea to a click stimulus. In this lesson we look at probe fit, the nonlinear click protocol, reproducibility with the A and B buffers, signal-to-noise ratio in frequency bands, sample pass rules, and the relationship between TEOAE and hearing loss.https://www.youtube.com/embed/X_USdAZSmFo6502026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d123-distortion-product-otoacoustic-emissions-dpoae/2026-11-040.8https://aihearacademy.com/medya/en/D123/kapak.pngDistortion Product Otoacoustic Emissions (DPOAE)In DPOAE measurement, two primary tones are presented and the 2f1-f2 product generated by the cochlea is recorded. In this lesson we look at the protocol with f2/f1 = 1.22 and L1/L2 = 65/55 dB SPL, where the product is generated in the cochlea, how to read the DP-gram together with the noise floor, and how DPOAE compares with TEOAE.https://www.youtube.com/embed/vypE_Ep_WIs6892026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d124-oae-in-the-clinic-uses-and-pitfalls/2026-11-040.8https://aihearacademy.com/medya/en/D124/kapak.pngOAE in the Clinic: Uses and PitfallsOtoacoustic emissions play an important role in newborn screening, ototoxicity monitoring and the recognition of auditory neuropathy. In this lesson we use examples to look at the screening pathway, the need for automated ABR in intensive care infants, and the effects of middle ear effusion, vernix, probe fit and noise on the result.https://www.youtube.com/embed/743L4n62y7A6332026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d125-introduction-to-auditory-evoked-potentials/2026-11-040.8https://aihearacademy.com/medya/en/D125/kapak.pngIntroduction to Auditory Evoked PotentialsAuditory evoked potentials are small electrical responses to sound, recorded from the auditory nerve, the brainstem and the cortex. In this lesson we look at how the response is extracted from the EEG with signal averaging, filtering and artifact rejection, at latency and amplitude, at early, middle and late responses, and at their clinical uses.https://www.youtube.com/embed/xpqoXxcghtQ6692026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d126-electrode-montage-and-the-10-20-system/2026-11-040.8https://aihearacademy.com/medya/en/D126/kapak.pngElectrode placement and the 10-20We explain where electrodes are placed for auditory brainstem response (ABR) recording according to the 10-20 system, the roles of the active, reference and ground electrodes, and the common montage options. We also cover skin preparation, the goal of low and balanced impedance below 5 kΩ, and electrode placement in infants.https://www.youtube.com/embed/fD0roiv8OB46642026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d127-abr-waves-i-to-v-generators-and-normal-latencies/2026-11-040.8https://aihearacademy.com/medya/en/D127/kapak.pngABR waves I to V and latenciesWe explain where the peaks from wave I to wave V of the auditory brainstem response (ABR) come from, and the normal absolute and interpeak latencies in adults. We also cover wave marking, the V/I amplitude ratio and the factors that affect latency, with examples.https://www.youtube.com/embed/fX93QVjTwwo7542026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d128-abr-stimuli-clicks-tone-bursts-and-chirps/2026-11-040.8https://aihearacademy.com/medya/en/D128/kapak.pngClicks, tone bursts and chirpsWe explain the structure and frequency content of the click, tone burst and chirp stimuli used in the auditory brainstem response (ABR), and when each one is chosen. We also cover details that shape the recording, such as stimulus polarity (rarefaction, condensation, alternating), stimulus rate and insert earphone delay.https://www.youtube.com/embed/xOVPo8d41B87332026-11-04T04:00:00+03:00yes https://aihearacademy.com/en/lessons/d129-neurodiagnostic-abr-looking-for-retrocochlear-lesions/2026-11-040.8https://aihearacademy.com/medya/en/D129/kapak.pngNeurodiagnostic ABRWe explain how the auditory brainstem response (ABR) is used when a retrocochlear lesion is suspected. With examples, we cover interpeak latencies, the interaural wave V latency difference (IT5), correction for high-frequency hearing loss, typical patterns, and the sensitivity limits of ABR compared with MRI.https://www.youtube.com/embed/bVdU4vwBp8U7432026-11-04T04:00:00+03:00yes