14/03/2026
The auditory system is a specialized sensory system that detects and interprets sound, comprising peripheral structures (outer, middle, inner ear) and central pathways leading to the brain. Sound waves are amplified by the ear, converted into neural signals in the cochlea, and transmitted via the auditory nerve to the auditory cortex for perception.
Key Components and Functions
Outer Ear (Pinna and Canal):
Collects sound waves and directs them to the eardrum.
Middle Ear (Ossicles: Malleus, Incus, Stapes):
Amplifies sound vibrations and passes them to the inner ear.
Inner Ear (Cochlea):
Contains hair cells that detect fluid vibrations and convert them into neural impulses.
Auditory Nervous System:
Transmits signals from the cochlea via the auditory nerve through the brainstem (cochlear nucleus, inferior colliculus, medial geniculate nuclei) to the auditory cortex in the temporal lobe for perception, recognition, and spatial location.
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