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Akhtar, Nameera; Enns, James T. – Journal of Experimental Child Psychology, 1989
Investigated the assumption that different aspects of visual selectivity depend on common processing resources by engaging observers aged 5, 7, 9, and 24 years in a task designed to examine the relations between covert shifts of attention and filtering. Covert orienting and filtering shared processing resources; filtering ability improved with…
Descriptors: Attention, Cognitive Processes, Cues, Psychological Studies
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Di Lollo, Vincent; Muhlenen, Adrian von; Enns, James T.; Bridgeman, Bruce – Journal of Experimental Psychology: Human Perception and Performance, 2004
A brief target that is visible when displayed alone can be rendered invisible by a trailing stimulus (metacontrast masking). It has been difficult to determine the temporal dynamics of masking to date because increments in stimulus duration have been invariably confounded with apparent brightness (Bloch's law). In the research reported here,…
Descriptors: Visual Stimuli, Inhibition, Visual Environment, Visual Perception