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首页> 外文期刊>Journal of Neuroscience Methods >A minimally invasive and reversible system for chronic recordings from multiple brain sites in macaque monkeys.
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A minimally invasive and reversible system for chronic recordings from multiple brain sites in macaque monkeys.

机译:一种微创且可逆的系统,用于从猕猴的多个大脑部位进行慢性记录。

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摘要

We have developed a reversible system for performing simultaneous recordings from multiple brain areas of trained macaque monkeys. It consists of a near-circular halo fitted around the head of the monkey with 5-10 thin plastic or stainless steel posts that either jut against or are screwed into the skull, respectively. Both methods of implantation of the posts are easily reversible, enabling protracted recordings over many years and training the monkeys in more complex tasks. The former is more useful for shorter periods of recordings (2-4 months) separated by long intervals and the latter for longer periods of recordings at a time (6-12 months). With both systems, essentially the entire scalp is intact, allowing multi-site recordings from a number of dorsal cortical areas, as well as other areas, simultaneously. These recordings are performed through tiny craniotomies of usually less than 2mm diameter, which are fitted with small plastic cones that serve as guide tubes for the microelectrodes. The surgery involved in these procedures is relatively minor compared to classical methods and the implants are also usually free of infections, thus requiring little maintenance of recording chambers.
机译:我们已经开发了一种可逆系统,用于从受过训练的猕猴的多个大脑区域进行同步录音。它由围绕猴子头部的近圆形光环组成,上面有5-10个薄塑料或不锈钢柱,分别突出或拧在头骨上。两种植入杆的方法都很容易逆转,可以长时间记录下来并训练猴子完成更复杂的任务。前者对于间隔较长时间间隔的较短记录(2-4个月)更有用,而后者一次(6-12个月)用于较长时间记录更有用。使用这两种系统,基本上整个头皮都是完整的,从而可以同时从多个背皮质区域以及其他区域进行多部位记录。这些记录是通过通常小于2mm直径的微小颅骨切开术进行的,这些颅骨切开术装有小的塑料锥,它们用作微电极的导管。与传统方法相比,这些过程所涉及的手术相对较小,并且植入物通常也没有感染,因此几乎不需要维护记录室。

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