Behavioral Choice-related Neuronal Activity in Monkey Primary Somatosensory Cortex in a Haptic Delay Task
Identifieur interne : 001A50 ( Pmc/Corpus ); précédent : 001A49; suivant : 001A51Behavioral Choice-related Neuronal Activity in Monkey Primary Somatosensory Cortex in a Haptic Delay Task
Auteurs : Liping Wang ; Xianchun Li ; Steven S. Hsiao ; Mark Bodner ; Fred Lenz ; Yong-Di ZhouSource :
- Journal of cognitive neuroscience [ 0898-929X ] ; 2012.
Abstract
The neuronal activity in the primary somatosensory cortex was collected when monkeys performed a haptic–haptic DMS task. We found that, in trials with correct task performance, a substantial number of cells showed significant differential neural activity only when the monkeys had to make a choice between two different haptic objects. Such a difference in neural activity was significantly reduced in incorrect response trials. However, very few cells showed the choice-only differential neural activity in monkeys who performed a control task that was identical to the haptic–haptic task but did not require the animal to either actively memorize the sample or make a choice between two objects at the end of a trial. From these results, we infer that the differential activity recorded from cells in the primary somato-sensory cortex in correct performance reflects the neural process of behavioral choice, and therefore, it is a neural correlate of decision-making when the animal has to make a haptic choice.
Url:
DOI: 10.1162/jocn_a_00235
PubMed: 22452554
PubMed Central: 4034389
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