Chunk #21 — Figure 2

Source

The dopamine hypothesis of drug addiction and its potential therapeutic value.

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The scheme illustrates the proposed circuit to be activated by the TMS stimulus (green) which, by activating the pyramidal neuron (yellow) with its neurotransmitter glutamate, would excite: (1) DA-containing neurons of the VTA (red) and (2) MSN of the Nacc (blue).