scholarly journals Conditioned reinforcement of lever-pressing in rats by a brief stimulus and schedule of primary reinforcement

1970 ◽  
Vol 18 (5) ◽  
pp. 257-258
Author(s):  
Donald W. Zimmerman
1972 ◽  
Vol 31 (1) ◽  
pp. 28-30
Author(s):  
Ernest H. Bergquist ◽  
James A. Joseph

The purposes of this study were to condition a secondary reinforcer using rewarding brain stimulation as a primary reinforcer, and to determine whether the absence of stimulation-induced motivational conditions during testing might be an important factor in making this phenomenon so difficult to obtain. A moderate conditioned-reward effect was obtained, but the importance of stimulation-evoked motivational conditions was not definitely established.


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