Journal
PSYCHOPHYSIOLOGY
Volume 49, Issue 3, Pages 357-368Publisher
WILEY
DOI: 10.1111/j.1469-8986.2011.01307.x
Keywords
EEG; ERP; Attention; Working memory
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We examined effects of knowing where to attend to-be-remembered information in advance versus after the fact. Participants performed a visuospatial short-term memory task with orienting cues that appeared before or after a memory display and reported whether a probe item had appeared on the cued side. Event-related potentials (ERPs) were recorded for cues, memory displays, and probes. Performance was better in precued versus postcued conditions. ERPs to orienting cues and memory displays were lateralized in relation to the direction of attention in precued but not postcued conditions. ERPs to recognition probes were lateralized, but this was similar between pre- and postcued conditions. Results suggest that we can orient visuospatial attention outwardly to external events and inwardly to remembered events alike, but knowing where to attend information in advance gives a bigger boost to brain and behavior.
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