HapticV1, Main, Merge, bibRecord, 002574

Behavioral Choice-related Neuronal Activity in Monkey Primary Somatosensory Cortex in a Haptic Delay Task

Identifieur interne : 002574 ( Main/Merge ); précédent : 002573; suivant : 002575

Behavioral Choice-related Neuronal Activity in Monkey Primary Somatosensory Cortex in a Haptic Delay Task

Auteurs : Liping Wang ; Xianchun Li ; Steven S. Hsiao ; Mark Bodner [États-Unis] ; Fred Lenz ; Yong-Di Zhou [États-Unis]

Source :

Journal of cognitive neuroscience [ 0898-929X ] ; 2012.

RBID : PMC:4034389

English descriptors

KwdEn :
- Action Potentials (physiology), Animals, Choice Behavior (physiology), Female, Haplorhini, Macaca mulatta, Male, Neurons (physiology), Psychomotor Performance (physiology), Reaction Time (physiology), Somatosensory Cortex (physiology).
MESH :
- physiology : Action Potentials, Choice Behavior, Neurons, Psychomotor Performance, Reaction Time, Somatosensory Cortex.
- Animals, Female, Haplorhini, Macaca mulatta, Male.

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:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4034389

DOI: 10.1162/jocn_a_00235
PubMed: 22452554
PubMed Central: 4034389

Links to Exploration step

PMC:4034389

Le document en format XML

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<front><div type="abstract" xml:lang="en"><p id="P1">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.</p>
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Behavioral Choice-related Neuronal Activity in Monkey Primary Somatosensory Cortex in a Haptic Delay Task

Behavioral Choice-related Neuronal Activity in Monkey Primary Somatosensory Cortex in a Haptic Delay Task

Source :

English descriptors

Abstract

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Links to Exploration step

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Pour manipuler ce document sous Unix (Dilib)

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