Reference : Verticalization of behavior elicited by dopaminergic mobilization is qualitatively di...
Scientific journals : Article
Social & behavioral sciences, psychology : Neurosciences & behavior
Verticalization of behavior elicited by dopaminergic mobilization is qualitatively different between C57BL/6J and DBA/2J mice
Tirelli, Ezio mailto [Université de Liège - ULiège > Département des sciences cognitives > Neuroscience comportementale et psychopharmacologie expér. >]
Witkin, J. M. [> > > >]
Springer Verlag
Yes (verified by ORBi)
[en] Behavioral effects of dopaminergic stimulation were compared for C57BL/6J mice and DBA/2J mice. Effects of apomorphine (APO) alone and in combination with cocaine (COC) were assessed using a time-sampling technique that classified climbing and leaning in separate categories. Climbing occurred in DBA/2J mice only at doses of APO that were 16 times higher than the smallest effective dose in C57BL/6J mice, but relative to baseline values, effects were comparable. Whereas DBA/2J mice showed dose-dependent leaning under APO, C57BL/6J mice exhibited significantly increased leaning only after the highest APO dose. When given alone, COC produced significant climbing, but not leaning or gnawing, in either strain. COC potentiated APO-induced climbing and gnawing in both strains but did not consistently change APO-induced leaning in either strain. APO alone reduced locomotor activity and attenuated COC-induced hyperkinesia. ((c) 1997 APA/PsycINFO, all rights reserved)
Centre de Neurosciences Cognitives et Comportementales

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