How is dopamine excitatory and inhibitory?

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Tags

1. #circuitry
2. #receptor
3. #which
4. #neurotransmitter
5. #centers
6. #inhibitory
7. #player
8. #brain
9. #regulating
10. #reward
11. #where
12. #dopamine
13. #hence
14. #excitatory
15. #pleasure
16. #addictions
17. #depending
18. #particular
19. #functions
20. #binds