SPATIAL-FREQUENCY ADAPTATION CAN ENHANCE CONTRAST SENSITIVITY
SPATIAL-FREQUENCY ADAPTATION CAN ENHANCE CONTRAST SENSITIVITY
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DOI：
10.1016/0042-6989(77)90010-4
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发表时间：
1977-01-01
期刊：
影响因子：
1.8
通讯作者：
DEVALOIS, KK
中科院分区：
文献类型：
--
作者：
DEVALOIS, KK
适应高对比度正弦亮度光栅产生一个临时的，带限制的灵敏度损失，以适应频率为中心。与之前的报告相比，这种下降幅度似乎更小，也更对称。该效应在f±1倍频程时降为零，在f±1倍频程至±2倍频程时不可靠。对比度灵敏度的增强发生在进一步去除频率，峰值约为f±2构建34至3倍频。这表明不同滤波器特性的空间频率选择单元之间存在相互抑制的相互作用。长期的实践显著提高了对比灵敏度函数和较窄的自适应灵敏度损失带宽。
Adaptation to a high-contrast sinusoidal luminance grating produces a temporary, band limited loss in sensitivity centered around the adaptation frequency. The decrease appears to be both narrower and more symmetrical than earlier reports suggest. The effect falls to zero byf± 1 octave and is not reliably present fromf± 1 octave tof± 2 octaves. Enhancement of contrast sensitivity occurs for frequencies further removed, peaking at aboutf± 2 built 34 to 3 octaves. This suggests mutual inhibitory interactions among spatial-frequency-selective units of varying filter characteristics. Longterm practice produces significantly higher contrast sensitivity functions and narrower bandwidths of the adaptational sensitivity loss.