Hearing Physiology SIMPLIFIED: How We Hear Sound (Cochlea, Hair Cells, Pitch)

Practice hearing physiology with exam questions in my A&P study app: 👉 https://organizedbiology.com/s/ziDpw I was convinced that hearing physiology is one of the most difficult to understand - until now! Dive deep into the fascinating world of hearing physiology with Organized Biology! In this comprehensive tutorial, we break down exactly how your ears convert sound vibrations into signals your brain can understand. Learn about the journey of sound from the outer ear through the middle ear (tympanic membrane, ossicles: malleus, incus, stapes) and into the intricate inner ear. We'll explore the cochlea in detail, including: The scala vestibuli, scala tympani, and scala media The role of perilymph and endolymph The critical Organ of Corti, featuring hair cells (stereocilia), the basilar membrane, and the tectorial membrane. How mechanical energy is transduced into electrochemical signals (action potentials) via neurotransmitters like glutamate. The pathway to the brain via the cochlear nerve, thalamus, and temporal lobe. How we perceive different pitches (frequencies) and volumes (loudness). The protective acoustic reflex involving the stapedius muscle. Perfect for students of anatomy, physiology, biology, audiology, or anyone curious about the amazing science of hearing! #HearingPhysiology #AuditorySystem #Cochlea #OrganofCorti #SoundTransduction #InnerEar #ScienceExplained #OrganizedBiology #Anatomy #Physiology