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CHAPTER 3 Biological Foundations of Behavior Copyright © 1999 by The McGraw-Hill Companies, Inc. The Human Nervous System Copyright © 1999 by The McGraw-Hill Companies, Inc. The Human Nervous System The Structure of the Nervous System Central nervous system (CNS)

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CHAPTER 3

Biological Foundations of Behavior

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the human nervous system
The Human Nervous System

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the human nervous system3
The Human Nervous System
  • The Structure of the Nervous System
    • Central nervous system (CNS)
    • Peripheral nervous system (PNS)
    • Afferent pathways
    • Efferent pathways

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the human nervous system4
The Human Nervous System
  • The Structure of the Nervous System
    • Somatic nervous system
    • Autonomic nervous system
      • Sympathetic nervous system (SNS)
      • Parasympathetic nervous system (PSNS)

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the structure of individual neurons
The Structure of Individual Neurons

Link

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the process of neural transmission

An-

The Process of Neural Transmission
  • Transmission within Cells (Action Potential)
    • The Neuron at rest (resting potential)
  • Depolarized (excited potential) when inside becomes less negative relative to resting potential.
  • Hyperpolarized (inhibited potential) when inside becomes more negative relative to resting potential.
  • Accumulation of these = Graded Potential
the process of neural transmission8
The Process of Neural Transmission
  • Transmission within Cells (Action Potential)
    • The Neuron at rest
    • Reception of Input
    • Threshold for Transmission
    • Action Potentials vs. Graded Potentials

Link

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the process of neural transmission10
The Process of Neural Transmission

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the process of neural transmission11
The Process of Neural Transmission
  • Transmission between Cells (Synaptic Transmission)
    • Anatomy of a Synapse

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the process of neural transmission12
The Process of Neural Transmission
  • Transmission between Cells (Synaptic Transmission)
    • Synaptic Transmission

Link

Copyright © 1999 by The McGraw-Hill Companies, Inc.

neurotransmitters chemical messengers
Neurotransmitters: Chemical Messengers
  • Monoamines
    • Dopamine
    • Norepinephrine
    • Serotonin

Copyright © 1999 by The McGraw-Hill Companies, Inc.

neurotransmitters chemical messengers14
Neurotransmitters: Chemical Messengers
  • Neuromuscular and Inhibitory Transmitters
    • Acetylcholine
    • GABA

Copyright © 1999 by The McGraw-Hill Companies, Inc.

neurotransmitters chemical messengers15
Neurotransmitters: Chemical Messengers
  • Pseudo Transmitters
    • Endorphins
    • Opiates
    • “Runner’s high”

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the brain structure and function
The Brain: Structure and Function
  • Major Regions of the Human Brain
    • The Hindbrain

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the brain structure and function17
The Brain: Structure and Function
  • Major Regions of the Human Brain
    • The Midbrain

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the brain structure and function18
The Brain: Structure and Function
  • Major Regions of the Human Brain
    • The Forebrain

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the brain structure and function19
The Brain: Structure and Function
  • The Limbic System
    • Thalamus
    • Hypothalamus
    • Pituitary Gland
    • Hippocampus
    • Amygdala
    • Septum

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the cerebral hemispheres
The Cerebral Hemispheres
  • The Occipital Lobe

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the cerebral hemispheres21
The Cerebral Hemispheres
  • The Parietal Lobe

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the cerebral hemispheres22
The Cerebral Hemispheres
  • The Temporal Lobe

Copyright © 1999 by The McGraw-Hill Companies, Inc.

the cerebral hemispheres23
The Cerebral Hemispheres
  • The Frontal Lobe

Copyright © 1999 by The McGraw-Hill Companies, Inc.

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