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Abnormal perceptual experiences in migraine.

D P Morrison1

  • 1Department of Psychiatry and Psychology, Karolinska Institute and Hospital, Stockholm, Sweden.

Cephalalgia : an International Journal of Headache
|December 1, 1990
PubMed
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Migraine attacks can include unusual sensory experiences like hallucinations and body image distortions. These perceptual changes are significantly linked to mood disturbances such as depression and irritability.

Area of Science:

  • Neurology
  • Neuroscience
  • Psychiatry

Background:

  • Migraine is a common neurological disorder characterized by recurrent headaches.
  • Abnormal perceptual experiences are sometimes reported as migraine symptoms.
  • The link between perceptual disturbances and mood changes in migraine requires further investigation.

Purpose of the Study:

  • To determine the prevalence of abnormal perceptual experiences in female migraine patients.
  • To investigate the association between these perceptual changes and mood disturbances during migraine attacks.

Main Methods:

  • A consecutive series of 46 new female referrals to a migraine clinic were assessed.
  • Patients met International Headache Society diagnostic criteria for migraine with or without aura.

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  • Data on perceptual experiences and mood changes during migraine attacks were collected.

    • Main Results:

    • Seven patients (15%) reported abnormal perceptions, including olfactory/gustatory hallucinations and body image distortions.
    • A statistically significant association was found between abnormal perceptual experiences and mood changes (depression, irritability).

    Conclusions:

    • Abnormal perceptual experiences are a notable symptom in a subset of migraine patients.
    • These perceptual disturbances are significantly associated with concurrent mood changes.
    • Cortical spreading depression is hypothesized to underlie the observed temporal lobe and limbic system dysfunctions.