Abstract

Lateralization of cerebral function has, in the last decade, been documented in the brains of several animal species. The present review summarizes recent findings concerning lateralized processes in the rat brain and considers their implications for understanding similar or the same processes in the human brain. Lateralization of the rat brain is present at birth, changes during development and is sexually dimorphic. This asymmetry exists in several brain regions. For example, as in the human, affective processes appear to be lateralized and, in both species, a dopaminergic asymmetry in basal ganglia function appears to underlie the mechanism of spatial preferences.

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