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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

What research results suggest that certain neurons in a young male bird’s brain are influenced only by acoustical signals from members of its own species and only during a critical period?

Summary Introduction

To review:

The research results that indicate that certain neurons are influenced by acoustical signals from members of their own species during the critical period.

Introduction:

All the behavioral responses, whether instinctive or learned, are regulated by neurons due to certain genes, which are expressed in their nucleus. This fact was proved by research.

Explanation

It was found that these are controlled by the neurons in research on behavioral response. There are certain genes that are expressed in nuclei of neurons and produce the enzyme. This enzyme causes the brain of the birds to be responsive to acoustical signals and that too under critical period exclusively.

The research was carried out in which some young birds were made to listen to taped songs sung by the members of their own species during the critical period, some after a critical period, and others were made to listen to songs sung by the members of other species...

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