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PUNISHMENT OF RESPONDING UNDER SCHEDULES OF STIMULUS‐SHOCK TERMINATION: EFFECTS OF d‐ AMPHETAMINE AND PENTOBARBITAL 1
Author(s) -
Mckearney James W.
Publication year - 1976
Publication title -
journal of the experimental analysis of behavior
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.75
H-Index - 61
eISSN - 1938-3711
pISSN - 0022-5002
DOI - 10.1901/jeab.1976.26-281
Subject(s) - pentobarbital , psychology , amphetamine , stimulus (psychology) , punishment (psychology) , neuroscience , anesthesia , developmental psychology , pharmacology , cognitive psychology , medicine , dopamine
Responding maintained in squirrel monkeys under 5‐min fixed‐interval schedules of either food presentation or termination of a visual stimulus associated with electric‐shock delivery was suppressed by presenting an electric shock for every thirtieth response (punishment). In monkeys responding under the schedule of food presentation, d ‐amphetamine sulfate only further decreased punished responding, and pentobarbital sodium markedly increased punished responding, as expected from previous reports. In monkeys responding under the schedule of stimulus‐shock termination, however, the effects of the two drugs were opposite: d ‐amphetamine markedly increased punished responding, whereas pentobarbital only decreased responding. Thus, the effects of these drugs on punished responding were different depending on the type of event maintaining responding. These and previous results indicate that it may be misleading and inaccurate to speak of the effects of drugs on “punished responding” as though punishment were a unitary phenomenon. As with any behavior, the effects of drugs and other interventions on punished responding cannot be accurately characterized independently of the precise conditions under which the behavior occurs.