The duration of a brief event in the mind's eye

被引:83
作者
Enns, JT [1 ]
Brehaut, JC [1 ]
Shore, DI [1 ]
机构
[1] Univ British Columbia, Dept Psychol, Vancouver, BC V6T 1Z4, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1080/00221309909595371
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
A new illusion of perceived duration associated with focused spatial attention is reported. Brief flashes in attended locations were perceived to last longer than the same flashes in unattended locations. That illusion was shown to be completely independent of another illusion concerning the perceived onset of a flash, ruling out the possibility that the effect on perceived duration is derivative of a comparison between perceived onset and offset. The illusion also occurred when the event duration was composed of a temporal gap rather than a brief flash, ruling out tow-level visible persistence as a basis for the illusion. Taken together, the results point to cortical connections from higher brain centers' both speeding and prolonging the visual signals occuring in lower sensory regions. Those temporal consequences could easily subserve many of the perceptual benefits ascribed to attention for spatial and intensive properties.
引用
收藏
页码:355 / 372
页数:18
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