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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

How are sounds of particular frequencies distinguished and “heard” by humans?

Summary Introduction

To explain:

The sound of different frequencies and hearing capacity that humans are able to distinguish.

Introduction:

The vibrations of sound waves are transmitted to sensory hair cells that respond by triggering action potentials by the auditory structures present in humans. The auditory structure present in humans is a group of different organs that work together to make hearing possible.

Explanation

The human auditory complex consists of the outer ear, middle ear, and inner ear. The basilar membrane that is present in the inner ear is responsible for pitch discrimination. The shape and properties of this basilar membrane are responsible for the ability of human ear to distinguish between various frequencies of incoming sound stimuli. The peculiar shape of the basilar membrane has different vibrating regions for different frequencies...

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