Examlex
Core regions usually have a higher per-capita income than do periphery regions.
Hair Cells
Sensory cells located in the inner ear that are essential for hearing and balance, converting mechanical sound vibrations into nerve impulses.
Frequency Theory
A theory about how sounds are transmitted and interpreted, stating that the frequency of auditory nerve impulses matches the frequency of the tone, enabling us to detect pitch.
Hertz
A unit of frequency in the International System of Units (SI), denoting one cycle per second.
Place Theory
A proposal about pitch perception stating that regions of the basilar membrane respond to particular sound frequencies, and the nervous system interprets the excitation from different basilar regions as different pitches.
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