A two-dimensional computer-controlled visual stimulator

A two-dimensional computer-controlled visual stimulator
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二维计算机控制视觉刺激器

DOI:
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发表时间:
1980
期刊:
影响因子:
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通讯作者:
J. Victor
J. Victor
中科院分区:
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文献类型:
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作者:
N. Milkman;G. Schick;M. Rossetto;F. Ratliff;R. Shapley;J. Victor

文献摘要

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描述了一种计算机控制的仪器,其在CRT监视器上产生复杂的二维图案。这些图案用于引起视觉诱发反应。图案是在可绕其中心旋转的光栅上产生的。可以将四个独立的一维时空函数中的任何一个分配给光栅中的任意区域。对于每个时空函数,实验者可以选择任意的空间分布、分布的空间频率、分布的起始相位、时间函数和调制深度。
A computer-controlled instrument that creates complex two-dimensional patterns on a CRT monitor is described. These patterns are used to elicit visual evoked responses. Patterns are produced on a raster that is rotatable about its center. It is possible to assign to arbitrary regions in the raster any of four independent one-dimensional spatial-temporal functions. For each spatial-temporal function, the experimenter can select an arbitrary spatial profile, the spatial frequency of the profile, the starting phase of the profile, the temporal function, and the depth of modulation.