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Published Online: November 1940

MIGRAINE EQUIVALENTS

DAVID SLIGHT and D. A. R. MORRISONAuthors Info & Affiliations

Publication: American Journal of Psychiatry

Volume 97, Number 3

https://doi.org/10.1176/ajp.97.3.623

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Abstract

1. The importance of migraine equivalents has been indicated with regard to problems of diagnosis in medicine and to the understanding of the nature of migraine.

2. Equivalents may replace migraine entirely and be episodic or continued in form, or may alternate with migraine attacks in episodic form.

3. In a series of 169 migrainous patients, equivalents occurred in 30.8 per cent over the period of observation.

4. The equivalents lend support to the theory that migraine is the result of an imbalance between processes of excitation and capacities for external "discharge." Whereas the former is dependent on constitutional factors, the latter is determined largely by factors of training and experience affecting the organization of the nervous system.

5. Equivalents occur in migraine in relation to alterations in intensity of the nervous processes involved, as dependent on external factors of stress or to changes in the affector-effector balance.

6. The specific form of some equivalents is presumably dependent on constitutional factors.

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Information & Authors

Information

Published In

American Journal of Psychiatry

Volume 97 • Number 3 • November 1940

Pages: 623 - 632

History

Published in print: November 1940

Published online: 1 April 2006

Authors

Affiliations

DAVID SLIGHT

The division of psychiatry, department of medicine, University of Chicago Clinics, Chicago, Ill.

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D. A. R. MORRISON

The division of psychiatry, department of medicine, University of Chicago Clinics, Chicago, Ill.

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MIGRAINE EQUIVALENTS

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