Event-related potentials during mental imagery of animal sounds

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	Event-related potentials during mental imagery of animal sounds
	Wu, Jianhui; Mai, Xiaoqin ; Chan, Chetwyn C. H.; Zheng, Yaqin ; Luo, Yuejia; YUEJIA LUO
摘要	To investigate the neural correlates of imagined animal sounds, event-related potentials (ERPs) were recorded while subjects were presented with (1) animal pictures without any imagery instruction (control) or (2) animal pictures with instructions to imagine the corresponding sounds (imagery). The results revealed imagery effects starting with an enhancement of the P2, possibly indexing the top-down allocation of attention to the imagery task, and continuing into a more positive-going deflection in the time window of 350-600 ms poststimulus, probably reflecting the formation of auditory imagery. A centro-parietally distributed late positive complex (LPC) was identified in the difference waveform (imagery minus control) and might reflect two subprocesses of imagery formation: sound retrieval from stored information and representation in working memory.; To investigate the neural correlates of imagined animal sounds, event-related potentials (ERPs) were recorded while subjects were presented with (1) animal pictures without any imagery instruction (control) or (2) animal pictures with instructions to imagine the corresponding sounds (imagery). The results revealed imagery effects starting with an enhancement of the P2, possibly indexing the top-down allocation of attention to the imagery task, and continuing into a more positive-going deflection in the time window of 350-600 ms poststimulus, probably reflecting the formation of auditory imagery. A centro-parietally distributed late positive complex (LPC) was identified in the difference waveform (imagery minus control) and might reflect two subprocesses of imagery formation: sound retrieval from stored information and representation in working memory.
关键词	auditory imagery event-related potentials late positive complex memory subvocalization
学科领域	认知神经科学
	2006-11-01
语种	英语
发表期刊	PSYCHOPHYSIOLOGY
ISSN	0048-5772
卷号	43 期号:6 页码:592-597
期刊论文类型	Article
收录类别	SCI ; SSCI
WOS记录号	WOS:000241626200008
引用统计	被引频次：23[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.psych.ac.cn/handle/311026/5391
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	YUEJIA LUO
作者单位	1.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China 2.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China 4.Hong Kong Polytech Univ, Appl Cognit Neurosci Lab, Dept Rehabil Sci, Hong Kong, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Wu, Jianhui,Mai, Xiaoqin,Chan, Chetwyn C. H.,et al. Event-related potentials during mental imagery of animal sounds[J]. PSYCHOPHYSIOLOGY,2006,43(6):592-597.
APA	Wu, Jianhui,Mai, Xiaoqin,Chan, Chetwyn C. H.,Zheng, Yaqin,Luo, Yuejia,&YUEJIA LUO.(2006).Event-related potentials during mental imagery of animal sounds.PSYCHOPHYSIOLOGY,43(6),592-597.
MLA	Wu, Jianhui,et al."Event-related potentials during mental imagery of animal sounds".PSYCHOPHYSIOLOGY 43.6(2006):592-597.

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