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Zolpidem [N,N,6-trimethyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine-3-acetamide hemitartrate] is reported to be a rapid onset, short duration hypnotic that interacts at the benzodiazepine recognition site. The present report establishes the neuropsychopharmacological profile of zolpidem and compares it with those of benzodiazepine hypnotics. Although in mice(More)
Nach Applikation von Atropin in die Hirnventrikel von Ratten kommt es zu einer starken Erhöhung der Homovanillinsäure (HVA) im Gehirn, während dessen Gehalt an Dopamin nicht vermindert wird. Intraperitoneale Injektion von Atropin bewirkt dagegen eine Abnahme von HVA, ebenfalls ohne Beeinflussung des Dopamins im Gehirn. Es wird vermutet, dass zwei(More)
In gallamine-immobilized cats, the caudate nucleus and the nucleus accumbens septi were perfused by means of a push-pull cannula and dopamine was measured in the perfusate. Chlorpromazine (10 mg kg(-1)) and clozapine (20 mg kg(-1)), administered intravenously, enhanced the release of dopamine. The effect of chlorpromazine was similar in both regions whereas(More)
Progabide, a new antiepileptic GABA agonist of moderate affinity for GABA receptors, has been studied in a number of psychiatric disorders and the results compared with the action of this drug in animal models. In an animal model for anxiety (the aversive response to periaqueductal grey stimulation in the rat) progabide had a similar action to that of(More)