Correlation between head direction cell activity and spatial behavior on a radial arm maze.

Correlation between head direction cell activity and spatial behavior on a radial arm maze.
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径向臂迷宫上头部方向细胞活动与空间行为之间的相关性。

DOI:
10.1037//0735-7044.111.1.3
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发表时间:
1997
影响因子:
1.9
通讯作者:
Taube,JS
Taube,JS
中科院分区:
医学4区
文献类型:
--
作者:
Dudchenko,PA;Taube,JS

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本研究评估了在径向臂迷宫的空间参考记忆任务中头部方向细胞的活动。老鼠被训练去选择一个迷宫手臂,它位于与一个显著的视觉地标相关的恒定位置。大多数大鼠HD细胞放电特性在任务获取过程中保持相对稳定。在获得后,将地标旋转90或180度通常会导致选定的迷宫臂和HD细胞的首选射击方向发生相应的变化。当细胞的首选方向没有改变时,老鼠通常会选择错误的手臂。HD细胞的活性不受大鼠接近目标、奖励消耗或退出奖励区域的影响。这种对行为的里程碑式控制和细胞的偏好方向的证明支持了HD细胞对环境的绝对表征,可以用来指导空间行为的假设。(PsycInfo数据库记录(c) 2023 APA,版权所有)
This study assessed the activity of head direction (HD) cells during performance of a spatial reference memory task on a radial arm maze. Rats were trained to select a maze arm located in a constant position in relation to a salient extramaze visual landmark. HD cell discharge properties remained relatively stable across task acquisition in most rats. Following acquisition, rotation of the landmark by 90 or 180 usually led to a corresponding shift in the maze arm selected and the HD cell's preferred firing direction. When the cell's preferred direction did not shift, rats usually selected the wrong arm. HD cell activity was not influenced by the rat's approach to the goal, reward consumption, or exit from the reward area. This demonstration of landmark control over behavior and the cell's preferred direction supports the hypothesis that HD cells contribute to an absolute representation of the environment that can be used to guide spatial behavior.(PsycInfo Database Record (c) 2023 APA, all rights reserved)
海马体单位活动的助记相关性
DOI: --
发表时间: 1986
期刊: Brain Research
影响因子: 2.9
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C. Wible;R. Findling;M. Shapiro;Eric J. Lang;Sharon Crane;D. Olton
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