帮助 关于我们

返回检索结果

视觉搜索中空间注意范围等级调节的早期ERP效应

查看参考文献24篇

文摘 对18名被试青年进行事件相关电位(ERP)实验以研究视觉空间注意范围等级效应的脑机制.采用"提示-靶"实验范式,刺激材料使用等密度排列的字母组成的3个同心圆,以去除字母排列密度不均匀对注意范围等级效应的影响.记录反应时和ERP数据.结果表明:随着提示范围的增大,识别靶刺激的反应时延长,靶刺激引起的P1,N1波幅减小.行为数据和ERP波幅的等级式变化提示视觉注意范围的等级效应,并发现该等级效应受到了来自任务难度、刺激物数量及分布等多种因素的影响.
来源 自然科学进展 ,2007,17(7):893-898 【核心库】
关键词 视觉搜索 ; 空间注意 ; 范围等级 ; 事件相关电位
地址

中国科学院心理研究所, 北京, 100101

语种 中文
文献类型 研究性论文
ISSN 1002-008X
学科 生理学
基金 国家自然科学基金 ;  国家教育部重点项目
文献收藏号 CSCD:2914831

参考文献 共 24 共2页

1.  Handy TC. Combined Expectancies:Event-related potentials reveal the early benefits of spatial attention that are obscured by reaction time measures. Journal of Experimental Psychology:Human Perception and Performance,2001,27(2):303-317 被引 1    
2.  Mangun GR. Modulation of sensory-evoked brain potentials provide evidence for changes in perceptual processing during visual-spatial priming. Journal of Experimental Psychology,1991,17:1057-1074 被引 5    
3.  Handy TC. Attention and spatial selection:Electrophysiological evidence for modulation by perceptual load. Perception&Psychophysics,2000,62:175-186 被引 6    
4.  Luck SJ. Effects of spatial cuing on luminance detect-ability:Psychophysical and electrophysiological evidence for early selection. Journal of Experimental Psychology:Human Perception and Performance,1994,20:887-904 被引 12    
5.  Posner MI. Orienting of attention. Quarterly Journal of Experimental Psychology,1980,32:3-25 被引 89    
6.  Eriksen CW. Visual attention within an around the field of focal attention:A zoom lens model. Perception&Psychophysics,1986,40:225-240 被引 11    
7.  Greenwood PM. Scale of attentional focus in visual search. Perception&Psychophysics,1999,61:837-859 被引 9    
8.  Greenwood PM. The scaling of spatial attention in visual search and its modification in healthy aging. Perception&Psychophysics,2004,66(1):3-22 被引 4    
9.  Luo YJ. Dynamics of the spatial scale of visual attention revealed by brain event-related potentials. Cognitive Brain Research,2001,12(3):371-381 被引 18    
10.  Gao W. Brain Dynamic mechanisms on the visual attention scale with Chinese characters cues. Chinese Science Bulletin,2002,47(19):1644-1649 被引 3    
11.  Song W. Early scale effect and hemisphere superiority on the visual spatial attention:From the electrophysiological evidence of ERP. Progress in Natural Science,2004,14(10):875-879 被引 2    
12.  Song W. Brain dynamic mechanisms of scale effect:In visual spatial attention. Neuroreport,2006,15(17):1643-1649 被引 1    
13.  Fu Shimin. Event-related potentials reveal dissociable mechanisms for orienting and focusing visuospatial attention. Cognitive Brain Research,2005,23:341-353 被引 5    
14.  Muller NG. A physiological correlate of theZoom Lensof visual attention. The Journal of Neuroscience,2003,23:3561-3565 被引 4    
15.  Castiello U. Size of the attentional focus and efficiency of processing. Acta Psychological(Amsterdam),1990,73:195-205 被引 2    
16.  Turatto M. Automatic and voluntary focusing of attention. Perception&Psychophysics,2000,62:935-952 被引 2    
17.  Steinmetz PN. Attention modulates synchronized neuronal firing in primate somatosensory cortex. Nature,2000,404:187-190 被引 17    
18.  Pashler HE. The Psychology of Attention,1998:218 被引 1    
19.  Handy TC. Perceptual load and visuocortical processing:Event-Related potentials reveal sensory-level selection. Psychological Science,2001,12(3):213-218 被引 2    
20.  Handy TC. Capacity theory as a model of cortical behavior. Journal of Cognitive Neuroscience,2000,12:1066-1069 被引 1    
引证文献 2

1 何思扬 自身低速旋转与背景旋转对视认知早期加工的协同影响:脑事件相关电位的研究证据 航天医学与医学工程,2011,24(2):85-90
被引 1

2 刘小琴 不同视野刺激时ERP及其分布特征 法医学杂志,2012,28(1):28-31,35
被引 0 次

显示所有2篇文献

论文科学数据集
PlumX Metrics
相关文献

 作者相关
 关键词相关
 参考文献相关

版权所有 ©2008 中国科学院文献情报中心 制作维护:中国科学院文献情报中心
地址:北京中关村北四环西路33号 邮政编码:100190 联系电话:(010)82627496 E-mail:cscd@mail.las.ac.cn 京ICP备05002861号-4 | 京公网安备11010802043238号