Аннотация
Human decisions can be shaped by predictions of emotions that ensue
after choosing advantageously or disadvantageously. Indeed, anticipating
regret is a powerful predictor of future choices. We measured brain
activity using functional magnetic resonance imaging (fMRI) while
subjects selected between two gambles wherein regret was induced
by providing information about the outcome of the unchosen gamble.
Increasing regret enhanced activity in the medial orbitofrontal region,
the anterior cingulate cortex and the hippocampus. Notably, across
the experiment, subjects became increasingly regret-aversive, a cumulative
effect reflected in enhanced activity within medial orbitofrontal
cortex and amygdala. This pattern of activity reoccurred just before
making a choice, suggesting that the same neural circuitry mediates
direct experience of regret and its anticipation. These results demonstrate
that medial orbitofrontal cortex modulates the gain of adaptive emotions
in a manner that may provide a substrate for the influence of high-level
emotions on decision making.
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