Hemisphere Lateralization of the Extrapolation Reflex
- 1 January 1985
- journal article
- research article
- Published by Taylor & Francis in International Journal of Neuroscience
- Vol. 25 (3-4) , 195-205
- https://doi.org/10.3109/00207458508985371
Abstract
The interhemispheric asymmetry of extrapolation task solution in infant and adult Norway rats (Rattus norvegicus) was investigated. L. V. Krushinsky's technique with a screen was used in combination with hemisphere inactivation by means of spreading depression. It was shown during a short-term adaptation to the experimental conditions, in extrapolation of movement direction at its multiple presentation, that the left hemisphere dominated in infant rats and the right one in adult rats. An additional adaptation caused the change of the asymmetry sign in the adult animals, which is discussed in terms of prevalence of the visuospatial or the rational component of the extrapolation task.Keywords
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