Accessing long-term memory representations during visual change detection.
In visual change detection tasks, providing a cue to the change location concurrent with the test image (post-cue) can improve performance, suggesting that, without a cue, not all encoded representations are automatically accessed. Our studies examined the possibility that post-cues can encourage the retrieval of representations stored in long-term memory (LTM). Participants detected changes in images composed of familiar objects. Performance was better when the cue directed attention to the post-change object. Supporting the role of LTM in the cue effect, the effect was similar regardless of whether the cue was presented during the inter-stimulus interval, concurrent with the onset of the test image, or after the onset of the test image. Furthermore, the post-cue effect and LTM performance were similarly influenced by encoding time. These findings demonstrate that monitoring the visual world for changes does not automatically engage LTM retrieval.
Psychology Department, Louisiana State University, Baton Rouge, LA, 70808, USA. mbeck@lsu.edu
Melissa R
MR
Beck
Amanda E
AE
van Lamsweerde
D001288:Attention; D003463:Cues; D003657:Decision Making; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D008297:Male; D008570:Memory, Short-Term; D010364:Pattern Recognition, Visual; D011930:Reaction Time; D021641:Recognition, Psychology; D012153:Retention, Psychology; D055815:Young Adult
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