IMPROVING VISUAL-PERCEPTION IN OLDER OBSERVERS
IMPROVING VISUAL-PERCEPTION IN OLDER OBSERVERS
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DOI：
10.1093/geronj/41.2.176
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发表时间：
1986-03-01
期刊：
影响因子：
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通讯作者：
SEKULER, R
中科院分区：
文献类型：
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作者：
BALL, K;SEKULER, R
事实证明，年轻的观察者(M=21岁)比年长的观察者(M=68岁)更能区分一个运动方向和另一个高度相似的运动方向。几天的练习稳步提高了两组的成绩。改进很好地限于该观察者练习的方向，并且全部收益至少保持了1个月。不同程度的光学模糊的对照测量表明，方向辨别不需要对焦良好的视网膜图像。这排除了光学因素是组间练习前差异的潜在原因。
Younger observers (M = 21 years) proved to be better than older observers (M = 68 years) at discriminating one direction of motion from another, highly similar one. Several days'' practice steadily improved performance for both groups equally. Improvement was well restricted to the direction with which that observer practiced, and the full gains were retained for at least 1 month. Control measurements with various degrees of optical blur demonstrate that direction discrimination does not require a well-focussed retinal image. This rules out optical factors as the potential cause of the prepractice differences between groups.