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Understanding the Auditory System: Theories of Sound Frequency Representation

This overview explores how the auditory system translates sound frequencies, focusing on key theories: the Temporal (Telephone) Theory and the Place (Resonance) Theory. The Temporal Theory suggests that different frequencies are represented by the temporal response of the entire basilar membrane, similar to a microphone's function. Conversely, the Place Theory indicates that various frequencies correspond to specific locations along the basilar membrane, akin to the strings of a piano. Both theories highlight the intricate mechanics involved in our perception of sound.

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Understanding the Auditory System: Theories of Sound Frequency Representation

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  1. THE AUDITORY SYSTEM

  2. Formula for a pure tone

  3. Middle Ear Cartoon

  4. How does the basilar membrane move? Temporal (Telephone) Theory: Different frequencies are represented by the temporal response of the whole basilar membrane. The basilar membrane responds like a telephone or microphone. Place (Resonance) Theory: Different frequencies are represented by different places along the basilar membrane. The basilar membrane responds like the separate strings of a piano.

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