Figure 031_0438.

Extrapyramidal symptoms and the dopamine-acetylcholine interaction. When extrapyramidal symptoms occur, a striatal dopaminergic-cholinergic neurotransmitter imbalance appears due to the blockade of the D2 receptor in the extrapyramidal system.

Figure 031_0438.  Extrapyramidal symptoms and the dopamine-acetylcholine interaction. When extrapyramidal symptoms occur, a striatal dopaminergic-cholinergic neurotransmitter imbalance appears due to the blockade of the D 2  receptor in the extrapyramidal system.