Why the study?
Do specific mental activities (verbal vs spatial) selectively increase regional cerebral blood flow in different hemispheres in normal right-handed men?
Population
24 normal right-handed male volunteers
Comparison
Mental activities with bilateral regional… vs Rest condition
Design
Other, randomized conditions (Rest, Verbal test, Spatial test)
Authors
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Supports task-specific hemispheric lateralization; leaves open clinical translation or broader validation in neurological populations.
Do specific mental activities (verbal vs spatial) selectively increase regional cerebral blood flow in different hemispheres in normal right-handed men?
Bilateral measurements of regional cerebral blood flow demonstrate lateralization of mental functions, with verbal tests selectively increasing left hemisphere flow and spatial tests increasing right hemisphere flow.
Risberg et al. (1975) studied this question.
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