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Fitousi, Daniel; Wenger, Michael J. – Journal of Experimental Psychology: Human Perception and Performance, 2011
Variations in perceptual and cognitive demands (load) play a major role in determining the efficiency of selective attention. According to load theory (Lavie, Hirst, Fockert, & Viding, 2004) these factors (a) improve or hamper selectivity by altering the way resources (e.g., processing capacity) are allocated, and (b) tap resources rather than…
Descriptors: Reaction Time, Attention, Cognitive Processes, Difficulty Level
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Burnham, Bryan R.; Neely, James H. – Journal of Experimental Psychology: Human Perception and Performance, 2008
C. L. Folk, R. W. Remington, and J. C. Johnston's (1992) contingent involuntary orienting hypothesis states that a salient visual feature will involuntarily capture attention only when the observer's attentional set includes similar features. In four experiments, when the target's relevant feature was its being an abruptly onset singleton,…
Descriptors: Visual Stimuli, Color, Spatial Ability, Attention