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Comparative Study
. 1995 Dec;122(3):307-11.
doi: 10.1007/BF02246553.

Effects of high doses of theophylline on memory acquisition

M R Zarrindast  1 , N Jamali-Raeufy, B Shafaghi
Affiliations
Comparative Study

Effects of high doses of theophylline on memory acquisition

M R Zarrindast et al. Psychopharmacology (Berl). 1995 Dec.

Abstract

Intraperitoneal (IP) injection of high doses of theophylline decreased memory acquisition dose dependently. Low but not high doses of the dopamine receptor D2 antagonist sulpiride and the dopamine D1 receptor antagonist SCH 23390 decreased the theophylline response. Pimozide and the beta-adrenoreceptor propranolol also decreased the drug response. The anti-muscarinic agent atropine, the alpha-adrenoceptor phenoxybenzamine and the 5-HT antagonist metergoline did not affect the response induced by theophylline. It is concluded that dopamine and beta-adrenergic receptor mechanisms may be involved in the theophylline-induced attenuation of memory acquisition.

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