In this paper, the authors present evidence for spatially overlapping populations of neurons representing positive and negative subjective value in the primate pregenual anterior cingulate cortex (pACC) during an approach-avoidance task. However, in one subzone of the pACC, negative coding predominated, and microstimulation in this subzone increased negative decision-making, a bias that was blocked by anti-anxiety drug treatment.
- Ken-ichi Amemori
- Ann M Graybiel
