1. Do Now
Describe what biological psychology is.

2. Unit 3A : Neural Processing & Endocrine System
Neural Communication

3. Neurons

4. Neurons

5. Neurons

6. Neurons

7. Neurons

8. Neurons

9. Neurons

10. Neurons Firing of a neuron Resting potential Selectively permeable
Action potential
Ions
Positively versus negatively charged
Resting potential
Selectively permeable

11. Neurons Firing of a neuron Depolarize Refractory period
Excitatory versus inhibitory
Threshold
All or none response

12. Action Potential

13. Action Potential
Dominoes
They either fall over or they don’t

14. How Neurons Communicate
Synapse
Synaptic gap (synaptic cleft)
Neurotransmitters
Reuptake
Q2 How do nerve cells communicate with other nerve cells?

15. How Neurons Communicate

17. Neurotransmitters
Agonists versus antagonists
Agonists
antagonists

18. Agonists and Antagonists

19. Agonists and Antagonists

20. Agonists and Antagonists

21. HW
Writing Assignment: Action potential and Toilets