VISUAL SUSTAINED ATTENTION - IMAGE DEGRADATION PRODUCES RAPID SENSITIVITY DECREMENT OVER TIME
VISUAL SUSTAINED ATTENTION - IMAGE DEGRADATION PRODUCES RAPID SENSITIVITY DECREMENT OVER TIME
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DOI：
10.1126/science.6836276
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发表时间：
1983-01-01
期刊：
影响因子：
56.9
通讯作者：
JIANG, Q
中科院分区：
文献类型：
--
作者：
NUECHTERLEIN, KH;PARASURAMAN, R;JIANG, Q
当刺激在视觉上高度退化时，对以随机连续的目标和非目标序列呈现的视觉目标的知觉敏感度随着时间的推移而迅速下降，但当适度退化或未退化时不会。仅观察5分钟后，敏感度大幅下降，与反应标准的变化无关。这些对退化目标的敏感度的快速下降似乎是由于对有限的视觉注意能力的需求造成的。
Perceptual sensitivity to a visual target presented in a random continuous sequence of targets and nontargets decreased rapidly over time when stimuli were highly degraded visually but not when moderately degraded or undegraded. Large declines in sensitivity, independent of changes in response criterion, were found after only 5 minutes of observation. These rapid decrements of sensitivity to degraded targets seem to result from demands on the limited capacity of visual attention.