scholarly journals The effects of N-R transitions under extended training conditions on resistance to extinction

1970 ◽  
Vol 18 (3) ◽  
pp. 173-174 ◽  
Author(s):  
T. N. Tombaugh
1974 ◽  
Vol 35 (1) ◽  
pp. 445-446
Author(s):  
J. Dutch

Group 1 received 6,000 trials on CRF, Group 2 6,000 trials on FR 10, and Group 3 60,000 trials on FR 10. All Ss were then extinguished under 3 conditions: the magazine click was presented on CRF, on FR 10, or not at all. The click was a weak but effective incentive for CRF Ss and a strong incentive for FR 10 Ss. With extended training the click also became an informative stimulus for FR 10 Ss in that it reduced resistance to extinction.


1972 ◽  
Vol 31 (2) ◽  
pp. 539-544 ◽  
Author(s):  
Tom N. Tombaugh ◽  
Pierre St. Jean

The effects of five levels of training (210, 490, 1470, 2450, 3430 reinforced responses) on extinction performance were investigated. A free-operant bar-press paradigm was employed. A continuous reinforcement schedule was used with .12 ml. of 64% sucrose. Number of bar-presses and duration of time to reach a 1-min. non-response criterion showed that resistance to extinction was an increasing function of the number of reinforcements during training. However, the amount of time required to reach a 5-min. criterion showed the opposite relationship. It was concluded that different criteria reflected different patterns of extinction behavior and that the overtraining extinction effect (decreased resistance to extinction following extended training) could be demonstrated in a free-operant situation if the appropriate criteria were selected.


1977 ◽  
Vol 41 (2) ◽  
pp. 367-373
Author(s):  
John W. Pilley ◽  
Jim Lindsay ◽  
Don Williamson ◽  
Alliston Reid

In Exp. 1 rats were given 5 training trials per day for 8 days in a straight runway under both low and high drive, with the drive state of each subject altered each day. Subjects were subdivided and given 20 extinction trials under either low or high drive. Exp. 2 replicated the training conditions of Exp. 1, but, in addition, lengthened training sessions to 18 days and extinguished each subject under both low and high drive. Combined results showed residual effects of intensity of drive state on the first day of training upon later training trials; however, with additional training the effect dissipated. Data were interpreted as supportive of the position that drive contributes to habit strength.


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