An investigation of economic interactions between social reinforcement and heroin or cocaine in rats.

IF 1.6 4区 心理学 Q3 BEHAVIORAL SCIENCES
Behavioural Pharmacology Pub Date : 2024-12-01 Epub Date: 2024-10-15 DOI:10.1097/FBP.0000000000000798
Toni Bird, Madeline M Beasley, Emma M Pilz, Sarah Amantini, Kevin Chavez Lopez, Alan Silberberg, David N Kearns
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引用次数: 0

Abstract

The primary goal of the present study was to determine the economic relationship between heroin and social reinforcement in rats: are they substitutes, independents, or complements? In Experiment 1, one group of rats was given a budget of responses that they could allocate between heroin and social reinforcement offered at various combinations of prices. A second group chose between two levers that each resulted in social reinforcement at varying prices when pressed. There was no relationship between the relative allocation of responses between heroin and social reinforcement and changes in their relative prices, indicating that these reinforcers are best viewed as independents. In contrast, when choosing between two sources of social reinforcement, rats increased the allocation of behavior to the cheaper option, confirming that the method used here was sensitive to detecting substitution effects. In Experiment 2, the same method was used to compare one group that chose between heroin and social reinforcement with a second group that chose between cocaine and social reinforcement. The finding that heroin and social reinforcement were independents was replicated. Additionally, there was some evidence that cocaine and social reinforcement were substitutes, at least when the first few minutes of the session were excluded. These results add to our knowledge of how drug and nondrug reinforcers interact in choice situations in rats and may model factors that influence drug use in humans.

社会强化与海洛因或可卡因在大鼠体内的经济相互作用的研究。
本研究的主要目的是确定海洛因与大鼠社会强化之间的经济关系:它们是替代品、独立品还是互补品?在实验 1 中,一组大鼠获得了反应预算,它们可以在不同价格组合的海洛因和社会强化物之间进行分配。另一组老鼠则在两个杠杆之间做出选择,按下这两个杠杆后,每个杠杆都会以不同的价格提供社会强化。海洛因和社会强化物之间的相对反应分配与它们的相对价格变化之间没有关系,这表明这些强化物最好被视为独立的。相反,当在两种社会强化物之间做出选择时,大鼠会增加对价格更低的强化物的行为分配,这证明实验所使用的方法对检测替代效应非常敏感。在实验 2 中,我们用同样的方法比较了一组在海洛因和社会强化之间做出选择的老鼠和另一组在可卡因和社会强化之间做出选择的老鼠。海洛因和社会强化是独立的这一结论得到了重复。此外,还有一些证据表明,可卡因和社会性强化是相互替代的,至少在剔除最初几分钟的时间后是如此。这些结果增加了我们对毒品和非毒品强化物在大鼠选择情境中如何相互作用的了解,并可能模拟影响人类吸毒的因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Behavioural Pharmacology
Behavioural Pharmacology 医学-行为科学
CiteScore
3.40
自引率
0.00%
发文量
84
审稿时长
6-12 weeks
期刊介绍: Behavioural Pharmacology accepts original full and short research reports in diverse areas ranging from ethopharmacology to the pharmacology of schedule-controlled operant behaviour, provided that their primary focus is behavioural. Suitable topics include drug, chemical and hormonal effects on behaviour, the neurochemical mechanisms under-lying behaviour, and behavioural methods for the study of drug action. Both animal and human studies are welcome; however, studies reporting neurochemical data should have a predominantly behavioural focus, and human studies should not consist exclusively of clinical trials or case reports. Preference is given to studies that demonstrate and develop the potential of behavioural methods, and to papers reporting findings of direct relevance to clinical problems. Papers making a significant theoretical contribution are particularly welcome and, where possible and merited, space is made available for authors to explore fully the theoretical implications of their findings. Reviews of an area of the literature or at an appropriate stage in the development of an author’s own work are welcome. Commentaries in areas of current interest are also considered for publication, as are Reviews and Commentaries in areas outside behavioural pharmacology, but of importance and interest to behavioural pharmacologists. Behavioural Pharmacology publishes frequent Special Issues on current hot topics. The editors welcome correspondence about whether a paper in preparation might be suitable for inclusion in a Special Issue.
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