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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Pain01:20

Pain

Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...

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Structural brain imaging: a window into chronic pain.

Arne May1

  • 1Department of Systems Neuroscience, University of Hamburg, Hamburg, Germany. a.may@uke.uni-hamburg.de

The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry
|April 15, 2011
PubMed
Summary
This summary is machine-generated.

Chronic pain may alter brain gray matter, but these changes might be reversible consequences, not permanent damage. Further research is needed to understand the mechanisms behind these brain alterations.

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Area of Science:

  • Neuroscience
  • Medical Imaging

Background:

  • Structural neuroimaging studies suggest chronic pain is associated with gray matter reduction in pain-processing areas.
  • These changes have been interpreted as brain damage, implying chronic pain is a progressive neurological disease.

Purpose of the Study:

  • To re-evaluate the interpretation of structural brain changes in chronic pain syndromes.
  • To consider whether observed gray matter alterations are causes or consequences of chronic pain.

Main Methods:

  • Review and synthesis of structural neuroimaging findings in chronic pain over the past decade.
  • Analysis of the implications of gray matter changes in relation to pain chronicity and progression.

Main Results:

  • Observed gray matter changes (increases or decreases) in chronic pain patients may not indicate irreversible brain damage.
  • These structural alterations are likely consequences of the pain syndrome and potentially reversible with effective pain treatment.
  • Brain changes may reflect the intensity and duration of pain rather than being specific to particular pain conditions.

Conclusions:

  • Structural brain changes in chronic pain should be viewed as adaptive responses or consequences, not necessarily indicators of a progressive disease.
  • The reversibility of these neuroanatomic changes with pain treatment warrants further investigation.
  • Understanding the behavioral and cellular mechanisms underlying these brain alterations is crucial.