Variation in the Form of Pavlovian Conditioned Approach Behavior among Outbred Male Sprague-Dawley Rats from Different Vendors and Colonies: Sign-Tracking vs. Goal-Tracking

• Christopher J. Fitzpatrick,

  Affiliation Neuroscience Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America

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• Shyam Gopalakrishnan,

  Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

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• Elizabeth S. Cogan,

  Affiliation Biopsychology Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America

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• Lindsay M. Yager,

  Affiliation Biopsychology Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America

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• Paul J. Meyer,

  Affiliation Department of Psychology, University of Michigan, Ann Arbor, Michigan, United States of America

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• Vedran Lovic,

  Affiliation Department of Psychology, University of Michigan, Ann Arbor, Michigan, United States of America

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• Benjamin T. Saunders,

  Affiliation Biopsychology Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America

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• Clarissa C. Parker,

  Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

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• Natalia M. Gonzales,

  Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

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• Emmanuel Aryee,

  Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

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• Shelly B. Flagel,

  Affiliations Neuroscience Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America, Department of Psychology, University of Michigan, Ann Arbor, Michigan, United States of America, Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, United States of America

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• Abraham A. Palmer,

  Affiliations Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America, Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, Illinois, United States of America

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• Terry E. Robinson,

  Affiliations Neuroscience Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America, Biopsychology Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America, Department of Psychology, University of Michigan, Ann Arbor, Michigan, United States of America

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• Jonathan D. Morrow

  * E-mail: jonmorro@umich.edu

  Affiliations Neuroscience Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America, Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, United States of America

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