Two neural mechanisms related to modes of selective attention.
- 1 January 1981
- journal article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology: Human Perception and Performance
- Vol. 7 (2) , 324-332
- https://doi.org/10.1037//0096-1523.7.2.324
Abstract
The use of global- and focal-attention modes to select information from a visual display is related to two neural mechanisms, visual channels and differences in the cognitive strategies directed by the cerebral hemispheres. Latencies to detect the presence of a single disparate letter in a six-letter display were measured. The results of Experiment 1 support the position that the transient visual channel transmits information for the global-attention mode, and the sustained visual channel transmits information for the focal-attention mode. Results of Experiment 2 indicate that the focal-attention mode can utilize a serial strategy directed by the dominant hemisphere.Keywords
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