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Journal of the Experimental Analysis of Behavior|November 1, 1973
Failure to obtain positive contrast when pigeons press a barR F WestbrookPharmacology, Biochemistry, and Behavior|June 1, 1993
Naloxone-induced hypoalgesia: evidence from the formalin testH Foo, R F WestbrookJournal of the Experimental Analysis of Behavior|November 1, 1973
Interactions in multiple schedules with different responses in each of the componentsJ Scull, R F WestbrookThe Quarterly Journal of Experimental Psychology. B, Comparative and Physiological Psychology|May 1, 1991
Naloxone-induced hypoalgesia: effects of heat, cold and noveltyH Foo, R F WestbrookThe Quarterly Journal of Experimental Psychology. B, Comparative and Physiological Psychology|May 1, 1994
The NMDA receptor antagonist MK-801 blocks acquisition and extinction of conditioned hypoalgesic responses in the ratJ Cox, R F WestbrookPsychopharmacology|January 1, 1991
Effects of hypophysectomy and adrenalectomy on naloxone-induced analgesiaH Foo, R F WestbrookBehavioral Neuroscience|November 26, 1999
An infusion of bupivacaine into the nucleus accumbens disrupts the acquisition but not the expression of contextual fear conditioningT Haralambous, R F WestbrookPharmacology, Biochemistry, and Behavior|July 1, 1991
Naloxone-induced hypoalgesia: effects of noradrenergic antagonists and agonistH Foo, R F WestbrookBehavioral Neuroscience|April 1, 1995
Effects of benzodiazepine microinjection into the amygdala or periaqueductal gray on the expression of conditioned fear and hypoalgesia in ratsJ A Harris, R F WestbrookJournal of the Experimental Analysis of Behavior|November 1, 1980
Second-order autoshaped key pecking based on an auditory stimulusJ S Burt, R F WestbrookPageof 94