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[Neurophysiological studies of headaches]
1Servicio de Neurología, Hospital Clínico Universitario de Zaragoza, España.
Revista De Neurologia
|February 14, 1998
Summary
Neurophysiological tests aid in diagnosing headache disorders by examining brain function. These methods, including evoked potentials and electromyography, offer insights into headache pathology and treatment effectiveness.
Area of Science:
- Neurology
- Neurophysiology
Context:
- Headache diagnosis relies on clinical criteria.
- Neurophysiological examinations can supplement clinical diagnosis and prognosis.
- This review focuses on common neurophysiological tests for headache investigation.
Purpose:
- To review neurophysiological examinations frequently used in headache research.
- To highlight the utility of these tests in understanding headache pathology.
Summary:
- Electroencephalography (EEG) has limited routine value but can detect intracranial pathology in atypical headaches.
- Evoked potentials in migraine patients show absent habituation, suggesting cortical information processing abnormalities.
- Electromyography and muscle reflexes in tension-type headaches indicate central factors in chronic headache pathogenesis.
Impact:
- Neurophysiological tests provide functional insights into neural pathways.
- These methods can evaluate the central nervous system effects of medications.
- Understanding neurophysiological underpinnings can improve headache diagnosis and treatment strategies.