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Related Experiment Videos

Chronic pain is associated with deficits in information processing

J Grigsby1, N L Rosenberg, D Busenbark

  • 1University of Colorado Health Sciences Center, Denver, USA.

Perceptual and Motor Skills
|October 1, 1995
PubMed
Summary
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Chronic pain may impair cognitive function, affecting information processing speed and capacity. This study found pain patients performed worse on some cognitive tests compared to head-trauma patients.

Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Pain stimuli can disrupt the brain's normal dynamical state.
  • Individuals experiencing pain may have compromised information processing abilities.

Purpose of the Study:

  • To investigate the impact of chronic pain on cognitive information processing.
  • To compare cognitive performance in chronic pain patients versus head-trauma patients.

Main Methods:

  • Retrospective chart review to identify 19 chronic pain patients and 25 head-trauma patients.
  • Administered computerized Human Performance Measurement System tests assessing information processing and motor skills.

Main Results:

  • Both groups scored below normative means on most measures, except visual digit span.

Related Experiment Videos

  • No significant differences were found in motor skills, visual digit span, or visual-spatial memory between groups.
  • Chronic pain patients demonstrated poorer performance on 2 of 6 information-processing tests compared to head-trauma patients.

    • Conclusions:

    • Chronic pain appears to disrupt cognitive functions reliant on information processing speed and capacity.
    • These findings suggest pain-related cognitive deficits may extend beyond those seen in mild head trauma.