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Unimanual Reaction Time during Comparison of Lateralized Verbal Stimuli: the Features of Interhemispheric Interactions Related to Subjects' Gender

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Abstract

Reaction time (RT) and number of correct responses to letter stimuli were measured in 49 male and 47 female subjects under conditions of crossed and uncrossed lateralization of a pair of stimuli and the hand that performed motor reaction. Gender differences were detected on the basis of RT in the hemispheric organization when a task was performed. Males reacted more rapidly to the stimuli presented in the right visual field, while females demonstrated no lateral effects. There was a significant difference in the case of the males' right hand between crossed and uncrossed lateralization of visual stimuli, which exceeded that in the females and in the case of the males' left hand. There were no gender differences in the number of correct responses. When motor response was performed by either hand, the number of correct responses was significantly higher when the stimuli were presented in the right visual field.

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  1. Institute of Physiology, Siberian Division, Russian Academy of Medical Sciences, Novosibirsk, Russia

    N. V. Vol'f & O. M. Razumnikova

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  1. N. V. Vol'f
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  2. O. M. Razumnikova
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Vol'f, N.V., Razumnikova, O.M. Unimanual Reaction Time during Comparison of Lateralized Verbal Stimuli: the Features of Interhemispheric Interactions Related to Subjects' Gender. Human Physiology 28, 398–401 (2002). https://doi.org/10.1023/A:1016569612863

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