In the process of auditory transduction, which structure converts sound waves into neural signals?a) Cochlear nerveb) Basilar membranec) Ossiclesd) Oval windowe) Auditory cortex
Question
In the process of auditory transduction, which structure converts sound waves into neural signals?a) Cochlear nerveb) Basilar membranec) Ossiclesd) Oval windowe) Auditory cortex
Solution
The structure that converts sound waves into neural signals in the process of auditory transduction is the Basilar membrane. Here's a step-by-step explanation:
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Sound waves enter the ear and travel through the ear canal, striking the eardrum and causing it to vibrate.
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These vibrations are then transferred to the ossicles, a group of three small bones in the middle ear.
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The ossicles amplify the vibrations and transfer them to the oval window, a membrane at the entrance to the cochlea.
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The vibrations cause the fluid in the cochlea to move, which in turn causes a wave to form in the basilar membrane.
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The movement of the basilar membrane stimulates the hair cells, specialized sensory cells sitting on top of it.
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The hair cells convert the mechanical movement into electrical signals, or neural signals, which are then sent to the brain via the cochlear nerve.
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Finally, these signals reach the auditory cortex of the brain where they are processed and interpreted as sound.
So, the correct answer is b) Basilar membrane.
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