The Evolution of Auditory Perception
The evolution of the mammalian ear and understanding of sound.
In order to better comprehend the evolution of ear perception, one must understand how sound is conducted until it reaches the ear. Environmental changes have imposed a need for the mammalian ear to evolve in order to enhance the survival of species. Several researchers have attempted and succeeded to unlock the evolutionary mystery and history of the mammalian auditory system and perception.
Distinguishing the Direction of Sounds
To understand the direction of sounds, we need to understand how sound is conducted. Usually, sound is created when an object is vibrated. The vibration travels through the surrounding medium, which is usually air, as pattern of changes in pressure which eventually is heard as sound (Moore 2001). Sound is called a pressure wave for the reason that when the molecules of the ear come closer, the...
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