For several years we have been especially interested in the symptomatology of epilepsy1 and the relation of this disorder to other symptoms and derangements referred to the central nervous system. Our study began with an analysis of the records of 1,000 epileptic patients seen in private practice.
In a previous paper we presented a study of the relative frequency and significance of infantile convulsions in epileptic patients and in unselected groups. The composition of these groups on the basis of industrial classification and their statistical validity were also considered.2 It was shown that the incidence of infantile convulsions is significantly greater in epileptic children than in unselected children; that infantile convulsions are more frequent in the families of children with infantile convulsions than in the families of those without; also that the probability of later epilepsy is greater for children who have infantile convulsions.
Later, studies were made
LEVY DM, PATRICK HT. RELATION OF INFANTILE CONVULSIONS, HEADBANGING AND BREATH-HOLDING TO FAINTING AND HEADACHES (MIGRAINE?) IN THE PARENTS. Arch NeurPsych. 1928;19(5):865–887. doi:10.1001/archneurpsyc.1928.02210110119005
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