Chapter 2: Biological Foundations of Behavior

Chapter 2: Biological Foundations of Behavior

Jeffrey S. Nevid, Essentials of Psychology: Concepts and Applications, 5th Edition. ? 2019 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.

 Module 2.1 Neurons: The Body's Wiring

Define what a neuron is, identify the parts of the neuron, and explain how neurons communicate with each other.

Explain how an action potential is generate.

Identify key neurotransmitters and describe their functions.

Explain the difference between antagonists and agonists.

Module 2.2 The Nervous System: Your Body's Information Superhighway

Module 2.3 The Brain: Your Crowning Glory

Module 2.4 Methods of Studying the Brain

Module 2.5 The Divided Brain: Specialization of Function

Module 2.6 The Endocrine System: The Body's Other Communication System

Module 2.7 Genes and Behavior: A Case of Nature and Nurture

Biological Foundations of Behavior (1 of 7)

MODULE 2.1 NEURONS: THE BODY'S WIRING

THE STRUCTURE OF THE NEURON (1 OF 5)

The Structure of the Neuron (2 of 5)

CONCEPT CHART 2.1 Parts of the Neuron

Part

Description

Soma

Cell body containing the nucleus

Axon

Long cable projecting from the soma

Terminal buttons

Swellings at ends of the axons

Dendrites

Fibers that project from the soma

Function

Performs metabolic, or life-sustaining, functions of the cell

Carries neural impulses to the terminal buttons

Release chemicals, called neurotransmitters, that carry neural messages to adjacent neurons

Receive messages from neighboring neurons

THE STRUCTURE OF THE NEURON

(3 OF 5)

Sensory neurons Motor neurons Interneurons

The Structure

of the Neuron (4 of 5)

Jeffrey S. Nevid, Essentials of Psychology: Concepts and Applications, 5th Edition. ? 2019 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.

THE STRUCTURE OF THE NEURON (5 OF 5)

FIGURE 2.3

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