Event-Related Potentials of the Human Brain during the Comparison of Visual Stimuli

被引：0
|
作者：
Nikishena I.S. [1 ]
Ponomarev V.A. [1 ]
Kropotov J.D. [1 ]
机构：
[1] Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg
来源：
Human Physiology | 2023年 / 49卷 / 3期
关键词：
event-related potentials (ERPs); perception; priming; working memory;
D O I：
10.1134/S0362119723700329
中图分类号：
学科分类号：
摘要：
Abstract: The aim of the investigation was to study the features of brain activity when comparing visual stimuli under conditions of delayed motor response. Event-related potentials (ERPs) were studied in 84 healthy subjects in a three-stimulus test, the first two stimuli were a comparison pair, and the third stimulus triggered a motor response. After presentation of the second stimulus ERPs were recorded: a complex of two waves with occipital (Oz, most pronounced in the interval 100–150 ms) and posterior temporal localization (P 7, P 8, 190–270 ms); negative wave in the frontal regions (Fz, 240–300 ms) and positive wave in the parietal regions (Pz, 270–450 ms). Brain responses differ in amplitude in case of a match and discrepancy of visual stimuli. The article discusses the physiological meaning of these waves and their differences under two conditions. © 2023, Pleiades Publishing, Inc.
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页码：264 / 273
页数：9
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