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Load Induced Blindness

By James S. P. Macdonald and Nilli Lavie

Abstract

Although the perceptual load theory of attention has stimulated a great deal of research, evidence for the role of perceptual load in determining perception has typically relied on indirect measures that infer perception from distractor effects on reaction times or neural activity (see N. Lavie, 2005d`) was consistently reduced with high, compared to low, perceptual load but was unaffected by the level of working memory load. Because alternative accounts in terms of expectation, memory, response bias, and goal-neglect due to the more strenuous high load task were ruled out, these experiments clearly demonstrate that high perceptual load determines conscious perception, impairing the ability to merely detect the presence of a stimulus—a phenomenon of load induced blindness

Topics: Articles
Publisher: American Psychological Association
OAI identifier: oai:pubmedcentral.nih.gov:2672054
Provided by: PubMed Central
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