ECCENTRIC VISION - ADVERSE INTERACTIONS BETWEEN LINE SEGMENTS
ECCENTRIC VISION - ADVERSE INTERACTIONS BETWEEN LINE SEGMENTS
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DOI：
10.1016/0042-6989(76)90078-x
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发表时间：
1976-01-01
期刊：
影响因子：
1.8
通讯作者：
BOUMA, H
中科院分区：
文献类型：
--
作者：
ANDRIESSEN, JJ;BOUMA, H
本文讨论了偏心视觉中行刺激之间的不良相互作用。对比阈值和明显的斜面差异作为与周围一些线的距离的函数被测量。测试线与周围的线平行或垂直。结果表明，这种干扰对对比阈值和倾斜度的影响具有明确的定向特异性。令人惊讶的结果是，干涉的空间范围很广：在平行线之间，它在视网膜上的距离大约为0.4ϑt，度，whereϑt是测试线的偏心。在日常生活中，远距离干扰对偏心空间视觉的限制远远超过了经典的视敏度限制，使偏心视觉可能与“未聚焦”的中央凹视觉大不相同。
The paper deals with adverse interactions between line stimuli ineccentric vision. Bothcontrast thresholdandjust noticeable difference of slanthave been measured for a test line as a function of the distance from a number of surrounding lines. Test lines were either parallel or perpendicular to the surrounding lines.It turns out that theinterferenceaffects both contrast threshold and j.n.d. of slant with a clear-cutorientational specificity. The surprising result is the extensive spatial range of the interference: between parallel lines it operates over retinal distances of about 0.4ϑt, degrees, whereϑt, is the eccentricity of the test line. Large-distance interference limits eccentric spatial vision in daily life much more than classic visual acuity limits would indicate, and makes eccentric vision probably quite different from “unfocussed” foveal vision.