Concurrent performance as bouts of behavior von Smith, Tracy T., McLean, Anthony P., Shull, Richard L., Hughes, Christine E., Pitts, Raymond C.

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Preference pulses without reinforcers von McLean, Anthony P., Grace, Randolph C., Pitts, Raymond C., Hughes, Christine E.

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Behavioral Mechanisms of Oxycodone's Effects in Female and Male Rats: Reinforcement Delay and Impulsive Choice von Blejewski, Ryan C., Van Heukelom, Justin T., Langford, Jeremy S., Hunt, Katelyn H., Rinkert, Isabelle R., Wagner, Thomas J., Pitts, Raymond C., Hughes, Christine E.

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A method for studying reinforcement factors controlling impulsive choice for use in behavioral neuroscience von Hughes, Christine E., Langford, Jeremy S., Van Heukelom, Justin T., Blejewski, Ryan C., Pitts, Raymond C.

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Assessing functions of stimuli associated with rich‐to‐lean transitions using a choice procedure von Langford, Jeremy S., Pitts, Raymond C., Hughes, Christine E.

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Effects of chlordiazepoxide on pausing during rich‐to‐lean transitions von Langford, Jeremy S., Batchelder, Sydney R., Haste, D. Austin, Thuman, Elizabeth P., Pitts, Raymond C., Hughes, Christine E.

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Effects of Methylphenidate on Sensitivity to Reinforcement Delay and to Reinforcement Amount in Pigeons: Implications for Impulsive Choice von Pitts, Raymond C, Cummings, Craig W, Cummings, Carol, Woodcock, Rebecca L, Hughes, Christine E

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Escape from rich‐to‐lean transitions: Stimulus change and timeout von Retzlaff, Billie J., Parthum, Elizabeth T. P., Pitts, Raymond C., Hughes, Christine E.

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Normal human osteoclasts formed from peripheral blood monocytes express PTH type 1 receptors and are stimulated by PTH in the absence of osteoblasts von Dempster, David W., Hughes-Begos, Christine E., Plavetic-Chee, Katarina, Brandao-Burch, Andrea, Cosman, Felicia, Nieves, Jeri, Neubort, Simon, Lu, Shi Shou, Iida-Klein, Akiko, Arnett, Tim, Lindsay, Robert

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Limits to preference and the sensitivity of choice to rate and amount of food von Aparicio, Carlos F., Baum, William M., Hughes, Christine E., Pitts, Raymond C.

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Effects of methamphetamine on response rate: A microstructural analysis von Bennett, J. Adam, Hughes, Christine E., Pitts, Raymond C.

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DEVELOPMENT AND MAINTENANCE OF CHOICE IN A DYNAMIC ENVIRONMENT von Rodewald, Andrew M., Hughes, Christine E., Pitts, Raymond C.

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Choice in a variable environment: Effects of d-amphetamine on sensitivity to reinforcement von Rodewald, Andrew M., Hughes, Christine E., Pitts, Raymond C.

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Rapid acquisition of preference in concurrent schedules: Effects of d-amphetamine on sensitivity to reinforcement amount von Maguire, David R., Rodewald, Andrew M., Hughes, Christine E., Pitts, Raymond C.

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Effects of d-amphetamine on behavior maintained by signaled and unsignaled delays to reinforcement von Thomas, Lee D., Hughes, Christine E., Pitts, Raymond C.

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Rapid acquisition of preference in concurrent schedules: Effects of reinforcement amount von Maguire, David R., Hughes, Christine E., Pitts, Raymond C.

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RAPID ACQUISITION OF PREFERENCE IN CONCURRENT CHAINS: EFFECTS OF d-AMPHETAMINE ON SENSITIVITY TO REINFORCEMENT DELAY von TA, Wei-Min, Pitts, Raymond C., Hughes, Christine E., McLean, Anthony P., Grace, Randolph C.

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TRANSITIONS FROM RICH-TO-LEAN SCHEDULES INCREASE ATTACK IN A LABORATORY MODEL OF SOCIAL AGGRESSION IN PIGEONS: II. FIXED-INTERVAL SCHEDULES von Pitts, Raymond C., Hughes, Christine E., Williams, Dean C.

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MORPHINE TOLERANCE AS A FUNCTION OF RATIO SCHEDULE: RESPONSE REQUIREMENT OR UNIT PRICE? von Hughes, Christine E., Sigmon, Stacey C., Pitts, Raymond C., Dykstra, Linda A.

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Cocaine-induced conditioned taste aversions in male and female Wistar rats von van Haaren, Frans, Hughes, Christine E.

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