Abstract：
:In stable environments, decision makers can exploit their previously learned strategies for optimal outcomes, while exploration might lead to better options in unstable environments. Here, to investigate the cortical contributions to exploratory behavior, we analyzed single-neuron activity recorded from four different cortical areas of monkeys performing a matching-pennies task and a visual search task, which encouraged and discouraged exploration, respectively. We found that neurons in multiple regions in the frontal and parietal cortex tended to encode signals related to previously rewarded actions more reliably than unrewarded actions. In addition, signals for rewarded choices in the supplementary eye field were attenuated during the visual search task and were correlated with the tendency to switch choices during the matching-pennies task. These results suggest that the supplementary eye field might play a unique role in encouraging animals to explore alternative decision-making strategies.
journal_name
Neuronjournal_title
Neuronauthors
Donahue CH,Seo H,Lee Ddoi
10.1016/j.neuron.2013.07.040subject
Has Abstractpub_date
2013-10-02 00:00:00pages
223-34issue
1eissn
0896-6273issn
1097-4199pii
S0896-6273(13)00664-8journal_volume
80pub_type
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