Mapping social behavior-induced brain activation at cellular resolution in the mouse.

Mapping social behavior-induced brain activation at cellular resolution in the mouse.
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DOI:
10.1016/j.celrep.2014.12.014
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发表时间:
2015-01-13
期刊:
影响因子:
8.8
通讯作者:
Osten P
Osten P
中科院分区:
生物学1区
文献类型:
--
作者:
Kim Y;Venkataraju KU;Pradhan K;Mende C;Taranda J;Turaga SC;Arganda-Carreras I;Ng L;Hawrylycz MJ;Rockland KS;Seung HS;Osten P

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了解大脑活动如何调节行为是系统神经科学的中心目标。在这里,我们应用了一种自动化的方法来绘制老鼠的大脑活动,以探索性别特定的社会行为是如何在男性大脑中表现出来的。我们的方法使用直接早期基因c-fos,一种神经元激活的标记物,通过连续双光子断层扫描可视化:计算检测c-fos- gfp阳性神经元,将其分布登记到参考脑和脑图谱中,并通过统计检验分析其数量。我们的研究结果揭示了男性和女性大脑激活的不同和共同的互动诱发模式,这代表了性别歧视和社会认可。我们还确定了其活动程度与社会行为的特定特征相关的大脑区域,并估计了每个大脑区域激活神经元的总数和密度。我们的研究为自动筛选小鼠行为诱发的大脑激活打开了大门。
Understanding how brain activation mediates behaviors is a central goal of systems neuroscience. Here we apply an automated method for mapping brain activation in the mouse in order to probe how sex-specific social behaviors are represented in the male brain. Our method uses the immediate early gene c-fos, a marker of neuronal activation, visualized by serial two-photon tomography: the c-fos-GFP-positive neurons are computationally detected, their distribution is registered to a reference brain and a brain atlas, and their numbers are analyzed by statistical tests. Our results reveal distinct and shared female and male interaction-evoked patterns of male brain activation representing sex discrimination and social recognition. We also identify brain regions whose degree of activity correlates to specific features of social behaviors and estimate the total numbers and the densities of activated neurons per brain areas. Our study opens the door to automated screening of behavior-evoked brain activation in the mouse.
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