Hemispheric Interactions During a Face-Word Stroop-Analog Task

A Stroop-analog task with faces and words was developed to investigate intrahemispheric and interhemispheric Stroop effects (SEs). Lateralized faces and words were used in an attempt to invoke right- and left-hemispheric specialization, respectively. A prototypical male face, female face, and baby f...

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Bibliographic Details
Published in:Neuropsychology 2000-10, Vol.14 (4), p.579-587
Main Authors: Kavcic, Voyko, Clarke, Jeffrey M
Format: Article
Language:English
Subjects:
Adolescent
Adult
Anatomical correlates of behavior
Behavioral psychophysiology
Biological and medical sciences
Brain - physiology
Face
Face Perception
Female
Fixation, Ocular
Functional Laterality - physiology
Fundamental and applied biological sciences. Psychology
Human
Humans
Lateral Dominance
Male
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Random Allocation
Reaction Time
Stroop Effect
Visual Fields - physiology
Visual Perception - physiology
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Summary:A Stroop-analog task with faces and words was developed to investigate intrahemispheric and interhemispheric Stroop effects (SEs). Lateralized faces and words were used in an attempt to invoke right- and left-hemispheric specialization, respectively. A prototypical male face, female face, and baby face and the corresponding words man, woman, and baby were presented as congruent or incongruent face-word pairs either to the same visual field (i.e., unilateral presentations) or to separate visual fields (i.e., bilateral presentations). Bidirectional SEs were found. Word distractors interfered with the identification of face targets, and, somewhat surprisingly, an even greater SE was obtained when words were the target and faces were ignored. Laterality effects were most pronounced for bilateral trials, whereby the SE was larger for right-hemisphere than for left-hemisphere target presentations, irrespective of type of target. This finding suggests that the left hemisphere is generally better shielded than the right from interhemispheric interference effects.
ISSN:0894-4105
1931-1559
DOI:10.1037/0894-4105.14.4.579