Free-operant avoidance behavior in rats with lateral septal lesions: Effect of shock intensity

1976 ◽  
Vol 110 (3) ◽  
pp. 559-574 ◽  
Author(s):  
Terje Sagvolden
Keyword(s):  
Shock Intensity ◽  
Avoidance Behavior ◽  
Free Operant Avoidance ◽  
Operant Avoidance ◽  
Free Operant ◽  
Septal Lesions

Response Specification and Acquisition of Free Operant Avoidance Behavior

1968 ◽  
Vol 23 (2) ◽  
pp. 483-494 ◽  
Author(s):  
Harry M. B. Hurwitz ◽  
William Bounds
Keyword(s):  
Avoidance Behavior ◽  
Substantial Improvement ◽  
Holding Time ◽  
Avoidance Schedule ◽  
Free Operant Avoidance ◽  
Operant Avoidance ◽  
Free Operant ◽  
Rate Of Response

In Exp. 1, 2 groups of rats were trained under a free operant avoidance schedule. The response was a press on a lever for Group BP (18 subjects) and a release of the lever for Group EP (22 subjects). Neither the rate of response nor the frequency of shock discriminated between the two groups, but there was a slight difference in the lever-holding time. In Exp. 2, 3 subjects were trained for 35 2-hr. sessions. In addition to the measures used in Exp. 1, a measure of avoidance proficiency (AVPRO) was employed. It was shown that (1) substantial improvement in avoidance developed late in training; (2) that AVPRO was correlated with changes in lever-holding behavior and was poorly related to the rate of response.

scholarly journals Free-Operant Avoidance Behavior by Rats after Reinforcer Revaluation Using Opioid Agonists and D-Amphetamine

2014 ◽  
Vol 34 (18) ◽  
pp. 6286-6293 ◽  
Author(s):  
A. Fernando ◽  
G. Urcelay ◽  
A. Mar ◽  
A. Dickinson ◽  
T. Robbins
Keyword(s):  
Avoidance Behavior ◽  
Free Operant Avoidance ◽  
Operant Avoidance ◽  
Free Operant ◽  
Opioid Agonists

The effect of septal lesions in rats on performance of a free-operant avoidance task

1972 ◽  
Vol 9 (1) ◽  
pp. 59-62 ◽  
Author(s):  
Lawrence D. Middaugh ◽  
Harry M.B. Hurwitz ◽  
T.M. Knapp ◽  
Walter Huchinson
Keyword(s):  
Avoidance Task ◽  
Free Operant Avoidance ◽  
Operant Avoidance ◽  
Free Operant ◽  
Septal Lesions
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