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Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
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Human auditory evoked mismatch field amplitudes vary as a function of vowel duration in healthy first-language

Mayako Inouchi1, Mikio Kubota, Katsuya Ohta

  • 1International Student Center, Ochanomizu University, Tokyo, Japan.

Neuroscience Letters
|August 4, 2004
PubMed

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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
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