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Opposite Effects of PCA and Chlorimipramine on ICSS and on Its Facilitation by Amphetamine

Olds, M. E. (1994) Opposite Effects of PCA and Chlorimipramine on ICSS and on Its Facilitation by Amphetamine. Pharmacology Biochemistry and Behavior, 47 (4). pp. 803-817. ISSN 0091-3057. https://resolver.caltech.edu/CaltechAUTHORS:20140523-111546131

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Abstract

The long-term effects of chloramphetamine (PCA) and chlorimipramine (CHLOR) on intracranial self-stimulation (ICSS) were investigated in sessions lasting 13 h. PCA, 5 mg/kg given IP, led first to an attenuation of ICSS lasting 3 h, then to a slow recovery to baseline rates, and then to a facilitation of ICSS lasting 6 h. Repeating the treatment 7 days later resulted in less attenuation of ICSS, more rapid recovery, and longer-lasting facilitation. Again, repeating the treatment with PCA 7 days later but injecting simultaneously amphetamine (AMPH) 2 mg/kg IP, altered the response seen with PCA alone. The attenuation phase was missing but the facilitatory phase remained except that it occurred early and was of shorter duration than after PCA given alone. Pretreatment with haloperidol (HALO) 0.5 or 1.0 mg/kg IP before PCA blocked the facilitatory phase of the response. CHLOR injected at a dose of 15 mg/kg IP attenuated ICSS. The combined administration of CHLOR and AMPH led to the CHLOR-attenuation of ICSS being replaced by a modest facilitation. These results are discussed in terms of the biochemical actions of PCA and CHLOR on the serotonin and dopamine systems.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://www.sciencedirect.com/science/article/pii/0091305794902801PublisherArticle
http://dx.doi.org/10.1016/0091-3057(94)90280-1DOIArticle
Additional Information:© 1994 Elsevier Science Ltd. Received 10 May 1993.
Subject Keywords:Amphetamine; Chlorimipramine; Dopamine; 5-Hydroxytryptamine; p-Chloramphetamine; Self-stimulation
Issue or Number:4
Record Number:CaltechAUTHORS:20140523-111546131
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140523-111546131
Official Citation:M.E. Olds, Opposite effects of PCA and chlorimipramine on ICSS and on its facilitation by amphetamine, Pharmacology Biochemistry and Behavior, Volume 47, Issue 4, April 1994, Pages 803-817, ISSN 0091-3057, http://dx.doi.org/10.1016/0091-3057(94)90280-1. (http://www.sciencedirect.com/science/article/pii/0091305794902801)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45908
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:27 May 2014 15:24
Last Modified:03 Oct 2019 06:37

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