Visual masking plays two roles in the attentional blink

被引:79
作者
Brehaut, JC [1 ]
Enns, JT [1 ]
di Lollo, V [1 ]
机构
[1] Univ British Columbia, Dept Psychol, Vancouver, BC V6T 1Z4, Canada
来源
PERCEPTION & PSYCHOPHYSICS | 1999年 / 61卷 / 07期
关键词
D O I
10.3758/BF03206192
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
When two targets are displayed in rapid visual sequence and masked by trailing patterns, identification accuracy is nearly perfect for the first target but follows a U-shaped pattern over temporal lag for the second target. Three experiments examined the role of visual masking in this attentional blink. Experiment 1 compared integration and interruption masks for both targets. Although either mask was effective in producing the blink when applied to the first target, only the interruption mask was effective when applied to the second target. Experiment 2 showed that integration masking of the second target was ineffective over a wide range of accuracy levels. Combining the two forms of masking in Experiment 3 confirmed the dissociation: A combined mask had only a main effect on accuracy for the first target, whereas it produced a qualitatively different pattern over temporal lag for the second target. These results suggest that representations of the target are substituted in consciousness by that of the interruption mask when visual attention is preoccupied.
引用
收藏
页码:1436 / 1448
页数:13
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