Previewing distracters reduces their effective contrast

In a visual search task, when half the distracters are presented earlier than the remainder (‘previewed’), observers find the target item more efficiently than when all the items are presented together—the preview benefit. We measured psychometric functions for contrast increments on Gabors that wer...

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Bibliographic Details
Main Authors: Allen, Harriet A., Humphreys, Glyn W.
Format: Article
Published: Elsevier 2007
Subjects:
Online Access:https://eprints.nottingham.ac.uk/32315/