Value signals in orbitofrontal cortex predict economic decisions on a trial-to-trial basis
McGinty, V. B.; Lupkin, S. M.
Show abstract
The primate orbitofrontal cortex (OFC) has long been recognized for its role in value-based decisions; however, the exact mechanism linking OFC value representations to decision outcomes has remained elusive. To address this question we show for the first time that trial-wise variability in choices can be explained by variability in value signals decoded from many simultaneously recorded OFC neurons. Mechanistically, this relationship is consistent with the projection of activity within a low-dimensional value-encoding subspace onto a potentially higher-dimensional, behaviorally-potent output subspace.
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