PMID: 6537246Apr 1, 1984Paper

Hemispheric patterns in visual search

Brain and Cognition
J Polich

Abstract

A visual search paradigm was employed to examine hemispheric serial and parallel processing. Stimulus arrays containing 4, 9, or 16 elements were tachistoscopically presented to the right visual field-left hemisphere (RVF-LH) or left visual field-right hemisphere (LVF-RH). Subjects judged whether all of the elements within an array were physically the same (all X's) or whether one (O) was different from the rest. Left hemisphere presentations were processed more quickly and accurately than LVF-RH presentations for all stimulus conditions. As the number of array elements increased, more errors and longer response times were obtained for different stimulus items whereas fewer errors and somewhat shorter response times were obtained for same stimulus items. These and previous results suggest that the left hemisphere obtains an advantage for visual search because of that hemisphere's superiority for fine-grained feature analysis rather than because of a fundamental hemispheric serial/parallel processing dichotomy.

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Citations

Jan 1, 1986·Neuropsychologia·J PolichD L Crossman
Oct 27, 2012·Laterality·William Poynter, Candice Roberts
Jun 1, 1989·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·P A Magaro, B F Moss
Feb 1, 1986·Acta Psychologica·J Polich
Jun 1, 1990·Acta Psychologica·J Polich, V Aguilar
Jan 1, 1988·Psychological Research·J PolichD P DeFrancesco
Sep 19, 2009·Journal of Child Neurology·Ghaydaa Shehata, Azza Eltayeb
Jan 1, 1990·Psychological Research·J PolichW Cohen
Oct 21, 2004·The Cochrane Database of Systematic Reviews·L MasonH J McQuay
May 16, 2017·Laterality·Christophe Carlei, Dirk Kerzel
Dec 1, 1993·Arquivos de neuro-psiquiatria·M M GuerreiroM V Moura-Ribeiro

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