The effects of isolation, grouping and aggressive interactions on indole- and catecholamine levels and apparent turnover in the hypothalamus and midbrain of the male golden hamster.


Although the golden hamster is widely used for studies on aggression, there have been no previous investigations of the role of biogenic amines in this species. Like the mouse, isolated male hamsters are highly aggressive towards a conspecific while grouped males are relatively unaggressive. Isolated males exhibited no differences in levels of midbrain or… (More)


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