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Addiction: all studies

Page 836 of 859: studies 8,351 to 8,360 of 8,590, newest first. Back to the addiction overview

Research

Pharmacological characteristics of abnormal behavior induced by harmine with special reference to tremor in mice.

Journal of Pharmacobio-Dynamics 1981 Kazuko Kawanishi, Yôhei Hashimoto, Michihiro Fujiwara et al. 11 citations

Harmine, a hallucinogen with potent monoamine oxidase inhibitory properties, induced abnormal behavior, including tremor, scratching, head twitch and cage biting, in the mouse. A dose-dependent tremor was produced by all routes of administration of harmine. Although oxotremorine tremor was markedly suppressed by atropine, harmine tremor was unaffected by cholinergic drugs, remarkably inhibited...

Effects of selected opioid agonists and antagonists on DMT- and LSD-25-induced disruption of food-rewarded bar pressing behavior in the rat.

Psychopharmacology 1981 D M Ruffing, E F Domino

Several opioid agonists and antagonists interact with N,N-dimethyltryptamine (DMT) and lysergic acid diethylamide-25 (LSD) in adult male Holtzman rats trained on a positive reinforcement, fixed ratio 4 (FR4) behavioral schedule, i.e., a reward of 0.01 ml sugar-sweetened milk was earned on every fourth bar press. DMT (3.2 and 10.0 mg/kg) and LSD (0.1 mg/kg) given IP with 0.9% NaCl pretreatment,...

Evidence for dopamine mediation of submissive gestures in the stumptail macaque monkey.

Pharmacology, Biochemistry, and Behavior 1981 R F Schlemmer, J M Davis 31 citations

Evidence gathered from several experiments where stimulant drugs were given to selected members of adult Stumptail macaque social colonies is presented which suggests that dopamine systems play an important part in the mediation of submissive behavior in this species. Chronic administration of d-amphetamine, 3.2 mg/kg/day, for 12 days, induced a significant increase in submissive gestures...

Phencyclidine intoxication: insights into a growing problem of drug abuse.

Postgraduate medicine November 1980 M S Beede

Phencyclidine (PCP) is a dissociative anesthetic whose abuse is a growing problem. Historically, its effects have been considered remarkably like those of the schizophrenic state, but in vitro and in vivo neuropharmacologic data are somewhat inconsistent with the dopaminergic hypothesis of schizophrenia. The physiologic and psychiatric manifestations of PCP intoxication are diverse and somewhat...

The effects of d-lysergic acid diethylamide (LSD), 2,5-dimethoxy-4-methylamphetamine (DOM) and d-amphetamine on operant responding in control and 6-hydroxydopamine-treated rats.

Pharmacology, Biochemistry, and Behavior November 1980 Randall L. Commissaris, William H. Lyness, J J Cordon et al.

The purpose of the present study was to determine the role of central catecholaminergic neuronal systems in the effects of LSD, DOM and d-amphetamine on fixed ratio (FR) operant responding in rats. Food-deprived male rats were trained to press a bar for food reinforcement on a FR-40 schedule. Control responding on this schedule is characterized by a rapid, constant rate of responding...

THE INTEGRITY OF THE SOCIAL HIERARCHY IN MICE FOLLOWING ADMINISTRATION OF PSYCHOTROPIC DRUGS

British Journal of Pharmacology November 1, 1980 V. P. Poshivalov 23 citations

Mice in small groups develop a despotic type of social hierarchy, a feature of which is to resist alteration through the medium of psychotropic drugs. This makes a rapid pharmacologically induced change in the social hierarchy impossible. Patrolling the territory and a certain level of social interaction are both critical factors in maintaining the phenomenon of inertia in the social hierarchy....

DOI: 10.1111/j.1476-5381.1980.tb08712.x (opens in new tab) Hierarchy Aggression Diazepam Pharmacology +1

LDS-25 as a discriminative stimulus for response selection by pigeons.

Pharmacology, Biochemistry, and Behavior October 1980 Torbjörn U C Järbe

Pigeons (N=4) were trained to discriminate between the effects induced by intramuscular (IM) injections of d-LSD and saline using a discrete-trial discrimination paradigm (choice between left and right hand key) in a conventional operant box. The solutions were administered IM 15 min prior to the sessions. A FR 15 schedule was in operation to produce food. Which of the two keys was correct on a...

Naloxone potentiates the disruptive effects of mescaline on operant responding in the rat

Pharmacology, Biochemistry, and Behavior October 1, 1980 Randall L. Commissaris, K.E. Moore, Richard H. Rech 8 citations

Food-deprived male rats were trained to press a lever on a fixed ratio-40 (FR-40) operant schedule for food reinforcement. Administration of mescaline (4.0--10.0 mg/kg) immediately before the start of the operant session resulted in a cessation of responding for some portion of the 40-min period ("hallucinatory pause"). The duration of this pause was found to be dose-dependent. Although...

DOI: 10.1016/0091-3057(80)90289-0 (opens in new tab) Mescaline +-naloxone Pharmacology Antagonist +5

Phencyclidine-like discriminative effects of opioids in the rat.

Journal of Pharmacology and Experimental Therapeutics September 1, 1980 S. Holtzman

Possible commonalities in the discriminative stimulus properties of phencyclidine (PCP) and opioids were investigated in rats trained to discriminate between i.p. injections of saline and 2.0 mg/kg of PCP in a two-choice discrete-trial avoidance paradigm. Behavior was considered to be under stimulus control when a rat reliably completed at least 18 trials of a 20-trial session on the...

Psychophysiologie des Träumens und der Neurosentherapie: Das Zustands-Wechsel-Modell, eine Synopsis

Fortschritte der Neurologie · Psychiatrie June 1, 1980 M. Koukkou, Dietrich Lehmann 27 citations

The paper presents a functional model of the brain; this model uses psychophysiological mechanisms to explain dream formation, without postulating specific dream processes; the same mechanisms serve to explain neurotic thinking (the basis of neurotic behaviour), and its psychotherapeutic correction. The description of the model includes a synopsis of selected publications from the fields of...