1. Unit II: Biological Bases of Behavior
Modules 9-14

2. 9-1 Explain why psychologists are concerned with human biology.
“Everything psychological is simultaneously biological!”
Trephination
Phrenology (Gall)

3. Biological Psychology
AKA: behavioral neuroscientists, neuropsychologists, behavior geneticists, bio-psychologists, or physiological psychologists… (& a few others…)
Micro to Macro….
Nerve cell to brain parts to biopsychosocial systems

4. 9-2 Describe the parts of the neuron, and explain how its impulses are generated.
Nodes of Ranvier = spaces between myelin sheaths
Multiple sclerosis & Guillain-Barre syndrome are related to degeneration of the myelin sheathing…

5. Toilet Example…

6. Sodium-Potassium Pump System

7. 9-3 Describe how nerve cells communicate with other nerve cells.

8. 9-4 Describe how neurotransmitters influence behavior, and explain how drugs and other chemicals affect neurotransmitters.

9. Agonist vs Antagonist

10. Neural Activity