Acquisition of operant behavior in rats with delayed reinforcement: A retractable-lever procedure

被引：3

作者：

McNamara, Andrew A. ^{[1
]}

Johnson, Lyndsey E. ^{[1
]}

Tate, Christopher ^{[1
]}

Chiang, Thomas ^{[1
]}

Byrne, Tom ^{[1
]}

机构：

[1] Massachusetts Coll Liberal Arts, Dept Psychol, North Adams, MA 01247 USA

来源：

BEHAVIOURAL PROCESSES | 2015年 / 111卷

关键词：

Acquisition; Rats; Delayed reinforcement; Extinction; RESPONSE ACQUISITION; IMMEDIATE;

D O I：

10.1016/j.beproc.2014.11.014

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

Experimentally naive rats acquired lever pressing with delayed reinforcement when the immediate programmed consequence for lever pressing was the simultaneous retraction of two identical levers. Presses on one lever also produced access to sweetened condensed milk after a delay of 10 s following retraction. Presses on the second lever resulted in retraction only. Lever retraction prevented the possibility of adventitious reinforcement of contacting the operanda during the reinforcement delays. Several measures indicated that the delayed reinforcers strengthened behavior. The majority of responses for all rats were on the lever that initiated reinforcer delivery. Responding for seven out of eight rats decreased during a subsequent extinction phase in which retraction was the only consequence arranged for lever pressing. Responding recovered rapidly when food reinforcement was available again. Furthermore, when contingencies on the two levers were switched, rats allocated their behavior accordingly, showing control by the delayed reinforcers. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：37 / 41

页数：5

共 42 条

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