期刊
JOURNAL OF NEUROSCIENCE
卷 36, 期 22, 页码 5974-5987出版社
SOC NEUROSCIENCE
DOI: 10.1523/JNEUROSCI.4572-15.2016
关键词
action; decision making; medial prefrontal cortex; monkey; neuron; tactics
资金
- Japan Society for the Promotion of Science [19500262, 22500349, 26290001, 15H05879]
- Grants-in-Aid for Scientific Research [19500262, 22500349, 25282245, 26290001] Funding Source: KAKEN
To expedite the selection of action under a structured behavioral context, we develop an expedient to promote its efficiency: tactics for action selection. Setting up a behavioral condition for subhuman primates (Macaca fuscata) that induced the development of a behavioral tactics, we explored neuronal representation of tactics in the medial frontal cortex. Here we show that neurons in the posterior medial prefrontal cortex, but not much in the medial premotor cortex, exhibit activity representing the behavioral tactics, in advance of action-selective activity. Such activity appeared during behavioral epochs of its retrieval from instruction cues, maintenance in short-term memory, and its implementation for the achievement of action selection. At a population level, posterior medial prefrontal cortex neurons take part in transforming the tactics information into the information representing action selection. The tactics representation revealed an aspect of neural mechanisms for an adaptive behavioral control, taking place in the medial prefrontal cortex.
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