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Related Experiment Videos

Cerebral hemisphere function and migraine.

A H Crisp1, G Levett, P Davies

  • 1Department of Psychiatry, St. George's Hospital Medical School, London, U.K.

Journal of Psychiatric Research
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

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Migraine may stem from cerebral information overload, particularly affecting the dominant hemisphere. Prodromal symptoms and impaired language abilities in some migraineurs support this vascular response hypothesis.

Area of Science:

  • Neuroscience
  • Cerebrovascular Research
  • Cognitive Neurology

Background:

  • Migraine is hypothesized as a protective vascular response to cerebral information overload.
  • Previous research has explored the link between migraine laterality and cognitive performance.
  • Understanding the cerebral basis of migraine laterality and prodromal symptoms is crucial.

Purpose of the Study:

  • To investigate the association between migraine laterality and cognitive functions.
  • To examine the cerebral hemisphere involvement in migraine prodromal symptoms.
  • To test the hypothesis of migraine as a response to cerebral information overload.

Main Methods:

  • Study focused on individuals with unilateral migraine symptoms consistently on the same side.

Related Experiment Videos

  • Analysis of the relationship between symptom laterality and verbal/spatial cognitive performance.
  • Assessment of prodromal symptoms, particularly speech disturbances, and their laterality.

    • Main Results:

    • Prodromal symptoms in classical migraineurs were not always ipsilateral to the pain.
    • Prodromal symptoms were predominantly linked to the left (dominant) cerebral hemisphere.
    • A subgroup with speech disturbances showed impaired language abilities, supporting the hypothesis.

    Conclusions:

    • Cerebral information overload, especially in the dominant hemisphere, may trigger migraine.
    • Right-sided pain might occur if overload also affects the right hemisphere's language capacity.
    • Findings highlight the role of language processing in migraine and suggest standardized laterality classification.