Genetic and pharmacological evidence that 5-HT2C receptor activation, but not inhibition, affects motivation to feed under a progressive ratio schedule of …

PJ Fletcher, J Sinyard, GA Higgins - Pharmacology Biochemistry and …, 2010 - Elsevier
Previous work showed that 5-HT2C receptor agonists reduce cocaine self-administration on
a progressive ratio (PR) schedule of reinforcement, whereas a 5-HT2C receptor antagonist …

The operant/respondent distinction: a computational neural-network analysis

JE Burgos - Computational models of conditioning, 2010 - books.google.com
This chapter presents an analysis of the distinction between operant (instrumental) and
respondent (Pavlovian, classical) conditioning, in terms of a computational, neural-network …