δ-苯丙胺和戊巴比妥对长固定间隔时间表下行为表现的一些影响。
Some effects of delta-amphetamine and pentobarbital on performance under a long fixed-interval schedule.
作者信息
McMillan D E, Healey M L
出版信息
J Exp Anal Behav. 1976 May;25(3):389-99. doi: 10.1901/jeab.1976.25-389.
The effects of delta-amphetamine and pentobarbital were studied on performance during 3-hr sessions under fixed-interval 60-min schedules of food presentation. Low doses of delta-amphetamine increased rates of responding and higher doses decreased rates of responding, both during the entire 3-hr session and during each of the individual fixed intervals. Pentobarbital produced little effect on rates of responding averaged over the 3-r session, but it decreased rates during the first fixed interval and increased them during the second and third fixed intervals. The effects of delta-amphetamine were shown to be dependent on the control rate of responding, as has been shown with shorter fixed-interval values. Analysis of delta-amphetamine effects in terms of the point at which the probability of responding is greater than zero was not descriptive of overall fixed-interval performance.
在固定间隔60分钟的食物呈现时间表下，研究了δ-苯丙胺和戊巴比妥对3小时实验期间行为表现的影响。低剂量的δ-苯丙胺增加了反应率，而高剂量则降低了反应率，无论是在整个3小时实验期间还是在每个单独的固定间隔内。戊巴比妥对3小时实验期间的平均反应率几乎没有影响，但它在第一个固定间隔内降低了反应率，而在第二个和第三个固定间隔内提高了反应率。正如在较短固定间隔值时所显示的那样，δ-苯丙胺的作用被证明取决于反应的控制率。根据反应概率大于零的点来分析δ-苯丙胺的作用，并不能描述整体的固定间隔表现。
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