Species-typical behavior of hamsters deprived from birth of the neocortex.
Hamsters deprived from birth of the neocortex developed normally and displayed the usual hamster-typical behavioral patterns. With the additional concurrent destruction of midline limbic convolutions (cingulate and underlying dorsal hippocampal), there were deficits in maternal behavior and a lack of development of play behavior. These findings demonstrate in a rodent (i) that the striatal complex and limbic system, along with the remaining neuraxis, are sufficient for giving expression to a wide range of unlearned forms of species-typical behavior and (ii) that midline limbic structures are required for the expression of play behavior and the integrated performance of maternal behavior.[1]References
- Species-typical behavior of hamsters deprived from birth of the neocortex. Murphy, M.R., MacLean, P.D., Hamilton, S.C. Science (1981) [Pubmed]
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