期刊
VISION RESEARCH
卷 107, 期 -, 页码 76-85出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2014.11.010
关键词
Visual cueing; Object files; Attention; Visual working memory
资金
- NSF [BCS-1331073]
- Division Of Behavioral and Cognitive Sci
- Direct For Social, Behav & Economic Scie [1331073] Funding Source: National Science Foundation
Although it has been well known that visual cues affect the perception of subsequent visual stimuli, relatively little is known about how the cues themselves are processed. The present study attempted to characterize the processing of a visual cue by investigating what information about the cue is stored in terms of both location (where is the cue) and attributes (what are the attributes of the cue). In 11 experiments subjects performed several trials of reporting a target letter and then answered an unexpected question about the cue (e.g., the location, color, or identity of the cue). This surprise question revealed that participants could report the location of the cue even when the cue never indicated the target location and they were explicitly told to ignore it. Furthermore, the memory trace of this location information endured during encoding of the subsequent target. In contrast to location, attributes of the cue (e.g., color) were poorly reported, even for attributes that were used by subjects to perform the task. These results shed new light on the mechanisms underlying cueing effects and suggest also that the visual system may create empty object files in response to visual cues. (C) 2014 Elsevier Ltd. All rights reserved.
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