Spatial coding for the Simon effect in visual search.

Spatial coding for the Simon effect in visual search. Research Abstract Details 

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Spatial coding for the Simon effect in visual search. Abstract Text:

Dexuan Zhang,Xiaolin Zhou,Giuseppe di Pellegrino,Elisabetta Ladavas,

Two experiments were conducted to examine the Simon effect (i.e., faster responding when irrelevant stimulus location corresponds with response location than when it does not) in visual search tasks. The search items were arranged in a 4 x 4 grid, and grid locations were coded into sets of four, two involving inner columns and two involving outer columns. In experiment 1, three different types of inefficient search tasks were used. The Simon effects were shown to be larger when the target appeared in one of the outer columns than in one of the inner columns ("laterality effect"). This pattern of results was not observed when distractors were absent, suggesting that the laterality effect depends on the operation of selective attention. In experiment 2, a pop-out search task was used, and no significant effect of target location on the Simon effect was found. Interpretations of the results based on the attention-shift account and referential-coding account were discussed.

Spatial coding for the Simon effect in visual search. Publishing Authors By Initials

D Zhang,X Zhou,G di Pellegrino,E Ladavas,

For similar psychological phenomena and processes: mental processes: perception: visual perception research abstracts see: psychological phenomena and processes: mental processes: perception: visual perception research

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Spatial coding for the Simon effect in visual search. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 176

Page Numbers: 616-29

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ISSN: 0014-4819

DAY: 10

MONTH: 08

YEAR: 2006

Spatial coding for the Simon effect in visual search. Information

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LANGUAGE: eng

NlmUniqueID: 43312

Spatial coding for the Simon effect in visual search. Keywords Mesh Terms:

KEYWORDS: Visual Perception

MESH TERMS: physiology

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Grant and Affiliation Information for Spatial coding for the Simon effect in visual search.

AFFILIATION: Department of Psychology, Peking University, Beijing, 100871, China.

Country: Germany

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MEDLINETA: Exp Brain Res

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