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McDonald, John J.; Green, Jessica J.; Jannati, Ali; Di Lollo, Vincent – Journal of Experimental Psychology: Human Perception and Performance, 2013
The presence of a salient distractor interferes with visual search. According to the salience-driven selection hypothesis, this interference is because of an initial deployment of attention to the distractor. Three event-related potential (ERP) findings have been regarded as evidence for this hypothesis: (a) salient distractors were found to…
Descriptors: Evidence, Attention Control, Visual Perception, Theories
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Tsubomi, Hiroyuki; Ikeda, Takashi; Osaka, Naoyuki – Journal of Experimental Psychology: Human Perception and Performance, 2012
Perceived brightness is well described by Stevens' power function (S. S. Stevens, 1957, On the psychophysical law, "Psychological Review", Vol. 64, pp. 153-181), with a power exponent of 0.33 (the cubic-root function of luminance). The power exponent actually varies across individuals, yet little is known about neural substrates underlying this…
Descriptors: Individual Differences, Brain Hemisphere Functions, Diagnostic Tests, Visual Perception