PMID: 3769495Sep 1, 1986Paper

Visual half-field presentations of incongruent color words: effects of gender and handedness

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
M Franzon, K Hugdahl

Abstract

Right-handed (dextral) and left-handed (sinistral) males and females (N = 15) were compared for language lateralization in a visual half-field (VHF) incongruent color-words paradigm. The paradigm consists of repeated brief (less than 200 msec) presentations of color-words written in an incongruent color. Presentations are either to the right or to the left of center fixation. The task of the subject is to report the color the word is written in on each trial, ignoring the color-word. Color-bars and congruent color-words were used as control stimuli. Vocal reaction time (VRT) and error frequency were used as dependent measures. The logic behind the paradigm is that incongruent color-words should lead to a greater cognitive conflict when presented in the half-field contralateral to the dominant hemisphere. The results showed significantly longer VRTs in the right half-field for the dextral subjects. Furthermore, significantly more errors were observed in the male dextral group when the incongruent stimuli were presented in the right half-field. There was a similar trend in the data for the sinistral males. No differences between half-fields were observed for the female groups. It is concluded that the present results strengthen p...Continue Reading

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Citations

Dec 7, 2002·Brain and Language·Heather G Belanger, Cynthia R Cimino
Mar 17, 2007·Laterality·Wes ClappMarkus Hausmann
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Dec 1, 1987·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·M Franzon, K Hugdahl

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