Auditieve waarneming - From ear to brain
5 important questions on Auditieve waarneming - From ear to brain
What are the components of the outer ear and its function?
Reflections of the sound wave within the folds of the pinna and within the auditory canal cam amplify certain sounds and are important for locating a sound source.
What are the components of the middle ear and its function?
The middle ear consists of a series of three tiny bones (malleus/hammer, incus/anvil and stapes/stirup) these transfers the mechanical pressure on the eardrum, at the end of the airborne auditory canal, to a smaller membrane called the ovel window, in the fluid-filled cochloea.
What are the components of the inner ear and its function?
The cochlea converts liquid-borne sound into neural impulses. A membrane in the cochlea, termed the basilar membrane, contains tiny hair cells linked to receptors.
The end nearest the oval window is narrower and stiffer and shows a maximal deflection to high-frequency sounds. The end nearest to the center of its spiral shape is wider and more elastic and shows a maximal deflection to low-frequency sounds.
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What are the components of the primary auditory cortex and its function?
These secondary regions also receive some input from the medial geniculate nucleus and damage does not produce full deafness.
What is a tonotopic organization?
The nerve bundle is orderly such that neurons responding to higher frequencies are located on the periphery and those responding to lower frequencies more centrally.
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