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Researcher finds gender differences in seasonal auditory changes
Date:12/10/2012

with one reason being that it is harder for the body to maintain a certain kind of tissues involved in hearing.

"In the ear, there are huge electrical gradients between the hair cells and the fluid that's bathing the hair cells in the ear, and that's expensive to maintain," she said. "Another possible reason is that there are other stimuli that you are concerned about during the non-breeding season.

"These birds live in an environment where it gets cold, it's hard to find food and they make calls that tell other individuals where that food is. So everybody wants to hear the call in the same way so that they all respond to that signal."

Alarm calls, warnings that a predator or predators are coming, might also require different kinds of auditory processing.


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Contact: Jeremy Craig
jcraig@gsu.edu
404-413-1357
Georgia State University
Source:Eurekalert

Page: 1 2

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