Response suppression in rats: a comparison of response-contingent and noncontingent punishment and the effect of the minor tranquilizer, chlordiazepoxide.
A comparison of the behavioural effects of response-contingent and noncontingent shock was carried out in a series of experiments examining (a) suppression of an operant response (lever-pressing); (b) release from suppression following injection of the minor tranquilizer chlordiazepoxide, and (c) suppression of behaviour in a situation not associated with shock. The major findings were that response-contingent shock produced far greater suppression of the operant response than did noncontinge...Expand abstract
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