Cerebral processing of words and the development of chronic pain

Bärbel Knost, Herta Flor, Christoph Braun, Niels Birbaumer

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The processing of pain-related, body-related, and neutral words was assessed in individuals with prechronic pain and matched healthy controls. Integrated surface electromyogram, heart rate, skin conductance level, and visual event-related potentials from 11 electrode sites were recorded during the presentation of three word types at perception threshold. Startle responses were recorded from words presented above perception threshold. The patient and control groups did not differ in recognition performance. Pain- related words evoked an enhanced early component (N100) of the visual event- related potential only in the prechronic pain group. In both groups the late slow wave and the startle response were enhanced for body- and pain-related words compared with those for neutral words. All word types elicited larger late positivities in the prechronic pain group and in the right compared with the left hemisphere. These data suggest differential conical processing of pain-related material in persons at a prechronic pain stage.

Original languageEnglish
Pages (from-to)474-481
Number of pages8
JournalPsychophysiology
Volume34
Issue number4
DOIs
Publication statusPublished - Jul 1997

Fingerprint

Word Processing
Chronic Pain
Pain
Startle Reflex
Evoked Potentials
Electromyography
Electrodes
Heart Rate
Control Groups
Skin

Keywords

  • Pain
  • Pain-related words
  • Visual event-related potential (VEP)

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)
  • Psychology(all)
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology

Cite this

Cerebral processing of words and the development of chronic pain. / Knost, Bärbel; Flor, Herta; Braun, Christoph; Birbaumer, Niels.

In: Psychophysiology, Vol. 34, No. 4, 07.1997, p. 474-481.

Research output: Contribution to journalArticle

Knost, Bärbel ; Flor, Herta ; Braun, Christoph ; Birbaumer, Niels. / Cerebral processing of words and the development of chronic pain. In: Psychophysiology. 1997 ; Vol. 34, No. 4. pp. 474-481.
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