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记忆任务中的处理简洁性。

Brevity of processing in a mnemonic task.

作者信息

Ringo J L

机构信息

Department of Physiology, University of Rochester School of Medicine, New York 14642, USA.

出版信息

J Neurophysiol. 1995 Apr;73(4):1712-5. doi: 10.1152/jn.1995.73.4.1712.

DOI:10.1152/jn.1995.73.4.1712
PMID:7643177
Abstract
  1. A burst of from one to four current pulses of 0.2 ms at 100 Hz was administered bilaterally to medial temporal lobe areas while monkeys worked in a delayed matching-to-sample visual memory task. The brief electrical stimulation was used as a probe to determine when, around the 20 or 50 ms sample presentation, the disruption was most severe. 2. Stimulation within about 200 ms of the sample image onset severely perturbed the animals' ability subsequently to recognize that image. Identical stimulation at other times did not. 3. Thus, the processing during encoding, that is accessible to the implanted medial temporal lobe electrodes, appears to occur only in a brief interval associated with receipt of the sensory input.
摘要
  1. 当猴子在延迟匹配样本视觉记忆任务中工作时,以100赫兹的频率对内侧颞叶区域双侧施加1到4个0.2毫秒的电流脉冲串。短暂的电刺激被用作探针,以确定在20或50毫秒的样本呈现期间,何时干扰最为严重。2. 在样本图像开始后约200毫秒内进行刺激会严重干扰动物随后识别该图像的能力。在其他时间进行相同的刺激则不会。3. 因此,植入的内侧颞叶电极能够检测到的编码过程似乎仅发生在与接收感觉输入相关的短暂间隔内。

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