Get Animal Models of Drug Addiction PDF

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By Styliani Vlachou, Athina Markou (auth.), Mary C. Olmstead (eds.)

ISBN-10: 1607619334

ISBN-13: 9781607619338

Our knowing of habit and the way it really is handled has complex remarkably during the last a long time, and masses of the growth is expounded on to animal study. this is often actual for either the behavioural points of drug use in addition to the organic underpinnings of the sickness. In Animal versions of Drug habit, specialists within the box supply an up to date overview of advanced behavioural paradigms that version various levels of this illness and clarify how each one try out is used to successfully reflect the development of drug habit. This special and useful booklet starts with the most typical laboratory measures of habit in animals, together with intracranial self-stimulation (ICSS), drug self-administration, position conditioning, and sensitization. Later chapters describe how those paradigms are used to version the development of drug dependancy, delivering perception into the medical symptomatology of habit from acquisition of drug use via compulsive drug taking to withdrawal and relapse. Written for the preferred Neuromethods sequence, the contributions provide either methodological aspect and a theoretical viewpoint, beautiful to readers conversant in preclinical study on drug habit in addition to those who find themselves novices to the sector. state-of-the-art and authoritative, Animal types of Drug dependancy will function a foundation for destiny important learn that hyperlinks the bench to the bedside within the an important therapy of drug addiction.

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In contrast to these early experiments, subsequent studies using the discrete-trial and autotitration current-intensity procedures have generated consistent findings on the effects of nicotine on brain stimulation reward. 25 mg/kg (50) or 1 mg/kg (180) nicotine administration, with no effect on response latencies (50) or a small reward-facilitating effect (164). The same dose of nicotine (1 mg/kg) had no effect in a progressive-ratio ICSS procedure (180). 03 mg/kg/infusion) self-administered for 1 or 12 h daily led to a long-lasting reward-enhancing effect, reflected by lowered ICSS thresholds during the nicotine selfadministration days (before and after the daily nicotine selfadministration session) that persisted for more than 1 month after self-administration ceased (48).

5 mg/kg/injection) in the discrete-trial current-threshold ICSS procedure (131). In this study, the level of b-adrenergic receptor downregulation correlated significantly with the degree of effectiveness of DMI treatment in reversing post-cocaine anhedonia (131). Baldo and colleagues showed that repeated administration of cocaine (15 mg/kg, IP, eight injections over 9 h) produced elevations in thresholds 4, 8, and 12 h after cocaine administration, and this effect was reversed by administration of the adenosine-2 (A2) receptor-selective antagonist 3,7-dimethyl1-propargylxanthine (DMPX) (3 and 10 mg/kg) administered before both the 8 and 12 h post-cocaine self-stimulation testing sessions (134).

25–8 mg/kg, IP) and found that both isomers increased self-stimulation response rates in all three strains, although with different sensitivity for each mouse strain (157). Using a modified hole-board task for self-stimulation in mice, Kokkinidis and Zacharko found that low D-amphetamine doses increased, and high doses decreased, ICSS response rates (51). A recent study by Elmer and colleagues, using the rate-­ frequency ICSS procedure in dopamine D2 receptor deficient mice, showed that amphetamine (1–4 mg/kg, IP), in contrast to morphine, potentiated brain stimulation reward across the three genotypes used in the study (D2 wildtype, heterozygous, and knockout mice), indicated by equal leftward shifts in the ratefrequency functions (139).

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Animal Models of Drug Addiction by Styliani Vlachou, Athina Markou (auth.), Mary C. Olmstead (eds.)

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