Effects of chronic d-amphetamine treatment on cocaine- and food-maintained responding under a progressive-ratio schedule in rhesus monkeys

2003 ◽  
Vol 167 (3) ◽  
pp. 324-332 ◽  
Author(s):  
S. Stevens Negus ◽  
Nancy K. Mello
Keyword(s):  
Rhesus Monkeys ◽  
Progressive Ratio ◽  
Ratio Schedule ◽  
Progressive Ratio Schedule ◽  
Amphetamine Treatment

Parametric analysis of cocaine self-administration under a progressive-ratio schedule in rhesus monkeys

1996 ◽  
Vol 125 (4) ◽  
pp. 361-370 ◽  
Author(s):  
J. K. Rowlett ◽  
W. L. Woolverton ◽  
B. W. Massey ◽  
M. S. Kleven
Keyword(s):  
Rhesus Monkeys ◽  
Parametric Analysis ◽  
Progressive Ratio ◽  
Ratio Schedule ◽  
Progressive Ratio Schedule ◽  
Self Administration

Observing Responses and Uncertainty Reduction

1967 ◽  
Vol 19 (1) ◽  
pp. 18-29 ◽  
Author(s):  
J. Steiner
Keyword(s):  
Rhesus Monkeys ◽  
Progressive Ratio ◽  
Uncertainty Reduction ◽  
Ratio Schedule ◽  
Progressive Ratio Schedule ◽  
Response Requirement ◽  
Observing Responses ◽  
Observing Response ◽  
Alternative Stimulus

Rhesus monkeys and baboons were placed in an observing response situation where on any trial they could work for food in the presence of an imposed stimulus or make an observing response by pressing a lever to present an alternative stimulus. The reinforcing properties of the alternative stimulus were assessed by placing the observing response on a progressive ratio schedule and were found to vary as a function of the difficulty of the imposed discrimination and the degree to which the imposed discrimination had been learned. The results are consistent with the hypothesis that the reinforcing strength of the alternative stimuli varies with the amount of uncertainty they reduce. Eliminating the response requirement showed that the effect was not simply due to the fact that informative stimuli permitted a saving of responses.

scholarly journals Antagonism of triazolam self-administration in rhesus monkeys responding under a progressive-ratio schedule: In vivo apparent pA2 analysis

2016 ◽  
Vol 158 ◽  
pp. 22-29 ◽  
Author(s):  
Bradford D. Fischer ◽  
Donna M. Platt ◽  
Sundari K. Rallapalli ◽  
Ojas A. Namjoshi ◽  
James M. Cook ◽  
...  
Keyword(s):  
Rhesus Monkeys ◽  
Progressive Ratio ◽  
Ratio Schedule ◽  
Progressive Ratio Schedule ◽  
Self Administration ◽  
Pa2 Analysis
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