Alcohol Reward Is Increased after Roux-en-Y Gastric Bypass in Dietary Obese Rats with Differential Effects following Ghrelin Antagonism

• Andras Hajnal ,

  * E-mail: ahajnal@psu.edu

  Affiliations Department of Neural and Behavioral Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America, Department of Surgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

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• Alevtina Zharikov,

  Affiliation Department of Neural and Behavioral Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

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• James E. Polston,

  Affiliation Department of Neural and Behavioral Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

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• Maxine R. Fields,

  Affiliation Department of Neural and Behavioral Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

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• Jonathan Tomasko,

  Affiliation Department of Surgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

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• Ann M. Rogers,

  Affiliation Department of Surgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

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• Nora D. Volkow,

  Affiliation Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism Intramural Program, National Institutes of Health, Bethesda, Maryland, United States of America

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• Panayotis K. Thanos

  Affiliations Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism Intramural Program, National Institutes of Health, Bethesda, Maryland, United States of America, Behavioral Neuropharmacology and Neuroimaging Lab, Brookhaven National Laboratory, Upton, New York, United States of America

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