Classical conditioning without verbal suggestions elicits placebo analgesia and nocebo hyperalgesia

• Przemysław Bąbel ,

  * E-mail: przemyslaw.babel@uj.edu.pl

  Affiliation Pain Research Group, Institute of Psychology, Jagiellonian University, Kraków, Poland

  http://orcid.org/0000-0003-0578-1013

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• Elżbieta A. Bajcar,

  Affiliation Pain Research Group, Institute of Psychology, Jagiellonian University, Kraków, Poland

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• Wacław Adamczyk,

  Affiliations Pain Research Group, Institute of Psychology, Jagiellonian University, Kraków, Poland, Department of Kinesiotherapy and Special Methods in Physiotherapy, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland

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• Paweł Kicman,

  Affiliation Pain Research Group, Institute of Psychology, Jagiellonian University, Kraków, Poland

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• Natalia Lisińska,

  Affiliation Pain Research Group, Institute of Psychology, Jagiellonian University, Kraków, Poland

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• Karolina Świder,

  Affiliations Pain Research Group, Institute of Psychology, Jagiellonian University, Kraków, Poland, Donders Institute for Brain, Cognition & Behaviour, Radboud University, Nijmegen, The Netherlands

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• Luana Colloca

  Affiliations Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, Maryland, United States of America, Department of Anesthesiology, School of Medicine, University of Maryland School of Nursing, Baltimore, Maryland, United States of America

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