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Intra-accumbens delta 1-opioid agonist, pC1-DPDPE, differentially affects patterns of locomotor activity
M E Meyer1, B I McLaurin, M E Meyer
1Department of Psychology, University of Florida Gainesville 32611, USA.
Pharmacology, Biochemistry, and Behavior
|June 1, 1995
Abstract:
The effects of bilateral microinjections of a new potent and highly selective delta-opioid receptor agonist pCl-DPDPE (0.00, 0.1, 1.0, or 2.5 micrograms/side) were tested in rats for 60 min in activity monitors. The durations of horizontal movement time, rearing time, and stereotypy time were measured during six consecutive 10-min time blocks. The pCl-DPDPE resulted in short-lived biphasic effects of attenuation followed by potentiation for the three measures. These data in part replicate the behavioral effects of other delta-opioid receptor agonists.