1. Ch. 10: Nervous System Basic Structure and Function
Part III
The Synapse
Synaptic Transmission

2. Fig a

3. 10.2-b

4. Synaptic Transmission
Neurotransmitters 1. 2. 3.
Synaptic Potentials
1. EPSP-
2. IPSP-

5. Synaptic Transmission
Each postsynaptic neuron receives …
1. EPSP > IPSP:
2. IPSP > EPSP:

6. Synaptic Transmission
Neurotransmitters
35 different types
ACh- Skeletal muscle contraction
Monoamines (epinephrine, norephinephrine, dopamine, seratonin)
Amino acids
Peptides

7. Pg 376

8. Synaptic Transmission
Action of Neurotransmitters
Electrical impulse…
Ca2+…
Synaptic vesicles …
NT released into …
After NT bind to postsyn. neuron
Decomposed by …
Reuptake-

9. Pg. 377

10. Pg. 377

11. Clinical App. 10.4: Opiates In the Human Body1. 2. 3.
Endorphins

12. Clinical App. 10.4: Opiates In the Human Body
Drug addicts (opiate drugs) 1. 2. 3.
Withdrawal

13. Clinical App. 10.5: Drug Addiction
Most illegal drugs originally used…
Agonist 1. 2.
Antagonist

14. Clinical App. 10.5: Drug Addiction
Nicotine 1. 2.
3. Causes dopamine
4. Increased smoking a. b.

15. Clincal App. 10.5: Drug Addiction