The estrous cycle affects cocaine self-administration on a progressive ratio schedule in rats

Progressive Ratio as a Measure of Reward Strength

William Hodos · Science · 1961 · 1.1K citations

Public Health, Behavioral Sciences, Psychology +17

Long-term facilitation of amphetamine-induced rotational behavior and striatal dopamine release produced by a single exposure to amphetamine: Sex differences

Terry E. Robinson, Jill B. Becker, Sharon K. Presty · Brain Research · 1982 · 276 citations · Full text

Medicine, Neuroscience, Pharmacology +6

Self-administration of cocaine on a progressive ratio schedule in rats: dose-response relationship and effect of haloperidol pretreatment

David C. S. Roberts, Elliot A. Loh, Gary Vickers · Psychopharmacology · 1989 · 239 citations

Medicine, Behavioral Sciences, Pharmacology +13

The influence of estrogen on nigrostriatal dopamine activity

Jill B. Becker, Mary E. Beer · Behavioural Brain Research · 1986 · 175 citations · Full text

Life Sciences, Neurobiology, Neuroscience +12

Progressive-ratio performance maintained by drug infusions: Comparison of cocaine, diethylpropion, chlorphentermine, and fenfluramine

Roland R. Griffiths, Joseph V. Brady, Jack D. Snell · Psychopharmacology · 1978 · 170 citations

Medicine, Pharmacology, Pharmacotherapy +6