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Mental deficiency, alterations in performance, and CNS abnormalities in Overgrowth syndromes


  • M. Michael Cohen Jr.

    Corresponding author
    • Dalhousie University, Halifax, B3H 3J5 Nova Scotia, Canada.
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    • Dr. M. Michael Cohen, Jr., D.M.D., Ph.D., F.C.C.M.G., holds five professorships at Dalhousie University: Oral & Maxillofacial Pathology, Pediatrics, Community Health & Epidemiology, Health Services Administration, and Sociology & Social Anthropology. He has five university degrees: BA from the University of Michigan in 1965; DMD from the Tufts University in 1966; MSD from the University of Minnesota in 1969; PhD from the University of Minnesota in 1979; and MPH from Boston University in 1996. He trained in medical genetics and syndromology at the University of Minnesota from 1966 to 1971. His is the author or coauthor of over 300 articles in the medical and scientific literature, author or coauthor of over 35 book chapters, and author, coauthor, or editor of 14 books including The Child with Multiple Birth Defects; Craniosynostosis: Diagnosis, Evaluation, and Management; Syndromes of the Head and Neck; Mental Retardation and Congential Malformations of the Central Nervous System; Holoprosencephaly: An Overview and Atlas of Cases; The Gorlin Symposium on Overgrowth; Studies in Stomatology and Craniofacial Biology; The Gorlin Symposium on Asymmetry; and Overgrowth Syndromes.

      Dr. Cohen's university teaching is in three different disciplines: pathology, medical genetics, and international health. He has given keynote addresses and has been a visiting professor at numerous universities throughout the United States, Europe, South America, Asia, Australia, and Africa. He has many honors and awards. He is an Associate Editor of the American Journal of Medical Genetics.


Mental deficiency, alterations in performance, and central nervous system (CNS) abnormalities are discussed in the following overgrowth syndromes: Sotos syndrome, Weaver syndrome, Proteus syndrome, neurofibromatosis type 1, fragile X syndrome, syndromes with neonatal hypoglycemia, Simpson-Golabi-Behmel syndrome, hemihyperplasia, Sturge-Weber syndrome, Bannayan-Riley-Ruvalcaba/Cowden syndrome, macrocephaly-autism syndrome, PEHO syndrome, chromosomal syndromes, and other miscellaneous syndromes. © 2003 Wiley-Liss, Inc.