Visual evoked spread spectrum analysis (VESPA) responses to stimuli biased towards magnocellular and parvocellular pathways

被引：21
作者：
Lalor, Edmund C. [2 ,3 ]
Foxe, John J. [1 ,2 ,4 ]
机构：
[1] Nathan S Kline Inst Psychiat Res, Cognit Neurophysiol Lab, Program Cognit Neurosci & Schizophrenia, Orangeburg, NY 10962 USA
[2] Trinity Coll Dublin, Inst Neurosci, Dublin, Ireland
[3] Trinity Coll Dublin, Dept Elect & Elect Engn, Dublin, Ireland
[4] CUNY City Coll, Dept Psychol, Program Cognit Neurosci, New York, NY 10031 USA
来源：
VISION RESEARCH | 2009年 / 49卷 / 01期
关键词：
VEP; EEG; Stimulus contrast; Impulse response; GANGLION-CELLS; CONTRAST SENSITIVITY; RETINITIS-PIGMENTOSA; SCHIZOPHRENIA; CORTEX; DEFICITS; POTENTIALS; IDENTIFICATION; DYSFUNCTION; MECHANISMS;
D O I：
10.1016/j.visres.2008.09.032
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Stimulus contrast fluctuations were controlled while the properties of a novel ERP known as the VESPA (Visual Evoked Spread Spectrum Analysis) were examined using data from 8 healthy human subjects. Substantial differences were seen between the morphologies of VESPAs obtained using low contrast stimuli when compared with those obtained using high contrast and full contrast range stimuli. Topographic distributions for both responses are compared and the findings are considered in terms of the response characteristics of the magnocellular and parvocellular visual pathways and the VESPA method itself. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：127 / 133
页数：7
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