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Calcium Transient Dynamics of Neural Ensembles in the Primary Motor Cortex of Naturally Behaving Monkeys


Authors: Takahiro Kondo, Risa Saito, Masaki Otaka, Kimika Yoshino-Saito, Akihiro Yamanaka, Tetsuo Yamamori, Akiya Watakabe, Hiroaki Mizukami, Mark J. Schnitzer, Kenji F. Tanaka, Junichi Ushiba, Hideyuki Okano
Publication: Cell Reports
Date: August 21, 2018
Link to article: https://www.cell.com/cell-reports/fulltext/S2211-1247(18)31160-4?__hssc=9111661…


To understand brain circuits of cognitive behaviors under natural conditions, we developed techniques for imaging neuronal activities from large neuronal populations in the deep layer cortex of the naturally behaving common marmoset. Animals retrieved food pellets or climbed ladders as a miniature fluorescence microscope monitored hundreds of calcium indicator-expressing cortical neurons in the right primary motor cortex. This technique, which can be adapted to other brain regions, can deepen our understanding of brain circuits by facilitating longitudinal population analyses of neuronal representation associated with cognitive naturalistic behaviors and their pathophysiological processes.

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