Biology / Bio 2901 · Atom · ~20 seconds
Place Theory of Pitch Perception
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Place theory holds that high-frequency sounds maximally vibrate the basilar membrane near the cochlea's entrance, while lower frequencies vibrate it farther along, encoding pitch by location.
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Piano strings differ in frequency by about six percent between adjacent notes, while adjacent hair cells differ by 0.2 percent.
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Place theory is a first-order model of pitch detection, not a full account of fine resolution.