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Title: Priming with real motion biases visual cortical response to bistable apparent motion
Author: Zhang, QF ; Wen, YQ ; Zhang, D ; She, L ; Wu, JY ; Dan, Y ; null(蒲慕明)
Source: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Issued Date: 2012
Volume: 109, Issue:50, Pages:20691-20696
Keyword: LATERAL GENICULATE-NUCLEUS ; BINOCULAR-RIVALRY ; CORTEX ; EXPERIENCE ; PERCEPTION ; PATH
Subject: Science & Technology - Other Topics
Corresponding Author: Poo, MM (reprint author), Chinese Acad Sci, Shanghai Inst Biol Sci, State Key Lab Neurosci, Inst Neurosci, Shanghai 200031, Peoples R China.,mpoo@berkeley.edu
English Abstract: Apparent motion quartet is an ambiguous stimulus that elicits bistable perception, with the perceived motion alternating between two orthogonal paths. In human psychophysical experiments, the probability of perceiving motion in each path is greatly enhanced by a brief exposure to real motion along that path. To examine the neural mechanism underlying this priming effect, we used voltage-sensitive dye (VSD) imaging to measure the spatiotemporal activity in the primary visual cortex (V1) of awake mice. We found that a brief real motion stimulus transiently biased the cortical response to subsequent apparent motion toward the spatiotemporal pattern representing the real motion. Furthermore, intracellular recording from V1 neurons in anesthetized mice showed a similar increase in subthreshold depolarization in the neurons representing the path of real motion. Such short-term plasticity in early visual circuits may contribute to the priming effect in bistable visual perception.
Indexed Type: sci
Language: 英语
Content Type: 期刊论文
URI: http://ir.sibs.ac.cn/handle/331001/2494
Appears in Collections:神经所(总)_期刊论文

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Zhang, QF; Wen, YQ; Zhang, D; She, L; Wu, JY; Dan, Y; Poo, MM.Priming with real motion biases visual cortical response to bistable apparent motion,PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2012,109(50):20691-20696
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