Psychological Science (Fifth Edition)
Psychological Science (Fifth Edition)
5th Edition
ISBN: 9780393937497
Author: Michael Gazzaniga, Diane Halpern
Publisher: W. W. Norton & Company
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Chapter 4.4, Problem 1MU
Summary Introduction

The nervous system is a complex network of nerve cells. Neurons are the basic unit of the nervous system. Some chemical signals are secreted by neurons which have a long term effect on the synapses.

Neurotransmitters are small organic molecules secreted by a neuron in response to a nerve signal reaching axon terminal which have a particular effect on acceptance of cell’s physiology.

A drug which facilitates the activity of the neurotransmitter is known as the agonist drug whereas the antagonist inhibits the activity of the neurotransmitter.

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