Title: Bilateral field interactions and hemispheric asymmetry in number comparison
Authors: Ratinckx, E ×
Brysbaert, M
Reynvoet, Bert #
Issue Date: 2001
Publisher: Pergamon-elsevier science ltd
Series Title: Neuropsychologia vol:39 issue:4 pages:335-345
Abstract: We investigated bilateral field interactions and hemispheric asymmetry in number comparison. A numerical comparison task with three different stimulus notations (Arabic numerals, word numerals and bar graphs) was used. Tn all conditions, a target was displayed in one visual field, simultaneously with a distracter of the same format in the other visual field. Participants had to indicate manually whether the magnitude of the target was small or large, ignoring the distracter stimulus. Only in the condition with Arabic numerals did we obtain some evidence for a LVF advantage, which argues against a strong laterality of number magnitude representations. Significant interactions between target and distracter values were observed, indicating rich interhemispheric interactions. The interactions were mainly situated at the response stage, but the presence of a bilateral identity effect also points to interactions at the input level. (C) 2001 Published by Elsevier Science Ltd.
ISSN: 0028-3932
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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