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The present communication is concerned with an analysis of the electroencephalographic tracings of a group of 38 institutionalized epileptic patients who had been observed daily for ten or more years and who had not had a seizure for the past five to thirty years. Selected from 1,500 epileptic patients, these 38 persons were the only ones who had been totally free from seizures for five or more years.
Only 1 of the patients had been receiving phenobarbital, 1½ grains (0.0975 Gm.) daily. None of the remaining patients had received anticonvulsant therapy for the past five or more years.
The ages of the patients ranged from 17 to 74 years. In the second decade there were 5 patients; in the third, 10 patients; in the fourth, 7 patients; in the fifth, 3 patients; in the sixth, 6 patients; in the seventh, 5 patients, and in the eighth, 2 patients.
The intelligence