4.4 Article

Pain Can Produce Systematic Distortions of Autobiographical Memory

Journal

PAIN MEDICINE
Volume 16, Issue 5, Pages 905-910

Publisher

OXFORD UNIV PRESS
DOI: 10.1111/pme.12716

Keywords

Pain; Autobiographical Memory; Memory Bias; Chronic Pain; Current Pain; Headache Pain

Funding

  1. Deutsche Forschungsgemeinschaft [FL 156/34]

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ObjectivesCognitive-behavioral models highlight the role of learning and memory biases in the development and maintenance of chronic pain. However, the extent to which a memory bias is a consequence of the clinical state of being a chronic pain subject is unknown. This article presents a study which delineates the influence of chronic and acute pain on autobiographical memory retrieval. Methods16 healthy controls and 16 individuals with chronic pain participated in an autobiographical memory task during two sessions (a current pain and a pain-free session for the chronic pain subjects) and received neutral words that served as a cue for the retrieval of past life events. ResultsThe valence of remembered life events in individuals with chronic pain was more negative when they were in pain compared to pain-free states. Conversely, both groups did not differ in their ratings of the reported memories during the pain-free condition. In addition, no significant relationship between mood and the valence of retrieved memories was found. ConclusionsThe present data demonstrate that current pain but not chronic pain per se can exert specific influences on remembering in participants with chronic pain. This memory bias could be a predisposition for the development of chronic pain but could also be a pain-maintaining consequence of painful experiences. This should be addressed in longitudinal studies.

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