Match the followings:
| A. Serotonin | I. Low activity associated with anxiety disorders |
| B. GABA | II. Excess activity associated with schizophrenia |
| C. Dopamine | III. Low activity associated with depression |
| D. Acetylcholine | IV. Involved in the regulation of muscle movement |
1
A-I, B-II, C-III, D-IV
2
A-II, B-III, C-I, D-IV
3
A-III, B-I, C-II, D-IV
4
A-IV, B-III, C-II, D-I