Key points are not available for this paper at this time.
1 From the Neurology Service, Massachusetts General Hospital and the Department of Neurology, Harvard Medical School, the Medical Services, Boston City Hospital and the Worcester Foundation for Experimental Biology (Worcester State Hospital). This work was supported in part by a research grant (M767) from the National Institutes of Health, United States Public Health Service. The authors are particularly indebted to Dr. Raymond D. Adams, who provided the original stimulus for this project and much helpful criticism throughout the study. Our thanks are also due to Dr. E. P. Richardson, Jr., for his help with the German literature; to Edith G. Berman, who participated in the follow-up study; and to Dr. Lincoln Lebeaux, for assisting with the Worcester State Hospital Patients.
Victor et al. (Thu,) studied this question.