Sandra Witelson Profile Neurobiological Basis of Cognition in Health & Disease in Men & Women: focusing on hemispheric functional specialization and language and spatial cognition; postmortem anatomy and in vivo MR Imaging; structure-function relationships in the human brain; developmental neurobiology, microscopic neuroanatomy and immunocytochemistry; sexual differentiation of the human brain in relation to behavior and lateralization; neurobiological basis of sexual orientation; neuroanatomical and neuropsychological aspects of congenital cognitive disorders; human brain banks.

Sandra Witelson Albert Einstein/Irving Zucker Chair in Neuroscience Professor, Psychiatry & Behavioural Neurosciences Associate Member, Psychology Fellow of the Royal Society of Canada B.Sc., M.Sc., Ph.D., McGill University Tel: +1 (905) 521-2100 ext. 76438 Fax: +1 (905) 521-5083 email: witelson@mcmaster.ca Office: HSC-3H16 http://www.fhs.mcmaster.ca/ psychiatryneuroscience/faculty/witelson/   Graduate Programme in Health Sciences Online Faculty & Staff Directory Brain structure and mental function.

• Witelson, S. F. Developmental dyslexia: Two right hemispheres and none left. Science, 1977, 195, 309-311.
• Witelson, S. F. The brain connection: The corpus callosum is larger in left handers. Science, 1985, 229, 665-668. Science cover.
• Witelson, S. F. Neurobiological aspects of language in children. Child Development, 1987, 58, 653-688.
• Witelson, S. F. Hand and sex differences in the isthmus and genu of the human corpus callosum: A postmortem morphological study. Brain, 1989, 112, 799-835.
• Witelson, S. F. and McCulloch, P. B. Premortem and postmortem measurement to study structure with function: A human brain collection. Schizophrenia Bulletin, 1991, 17, 583-591.
• Commentary by D.G. Kirch, A.M.I. Wagman, P.S. Goldman-Rakic. The acquisition and use of human brain tissue in neuropsychiatric research. Schizophrenia Bulletin, 1991, 17, 593-596.
• Witelson, S.F., and Kigar, D.L. Sylvian fissure morphology and asymmetry in men and women: Bilateral differences in relation to handedness in men. Journal of Comparative Neurology, 1992, 323, 326-340.
• McCormick, C.M. & Witelson, S.F. Functional cerebral asymmetry in homosexual men and women. Behavioral Neuroscience, 1994, 108, 525-531.
• Witelson, S.F., Glezer, I.I. & Kigar, D.L. Women have greater numerical density of neurons in posterior temporal cortex. J. Neuroscience, 1995, 15, 3418-3428.

• Witelson, S.F., Kigar, D.L. & Harvey, T. The exceptional brain of Albert Einstein. Lancet, 1999, 353, 2149-2153.

• Scamvougeras, A., Kigar, D.L., Jones, D., Weinberger, D.A. & Witelson, S.F. Size of the human corpus callosum is genetically determined: An MRI study in mono and dizygotic twins. Neuroscience Letters, 2003, 338, 91-94.

• Witelson, S.F. and Kigar D.L. Corpus callosum. In: G Adelman & BH Smith (eds), The Encyclopedia of Neuroscience on CD-ROM, 3rd Ed. New York, NY: Elsevier, 2003.

• Witelson, S.F., Bulman-Fleming, M.B., Bryden, M.P. & Kideckel, D.M. Handedness. In: G. Adelman & BH Smith (eds), The Encyclopedia of Neuroscience on CD-ROM, 3rd Ed. New York, NY: Elsevier, 2003.

• Witelson, S.F., Kigar, D.L. & Walter, A. Cerebral commissures. In: L. Nadel (ed), Encyclopedia of Cognitive Science, London, UK: The Nature Publishing Group, 2003.

• Hall, G.B., Witelson, S.F., Szechtman, H & Nahmias, C. Sex differences in functional activation patterns revealed by increased emotion processing demands. Neuroreport, 2004, 15, 219-223. 

• Witelson, S.F., Kigar, D.L., Scamvougeras, A., Kideckel, D.M., Buck, B., Stanchev, P.L., Bronskill, M & Black, S. Corpus callosum anatomy in right-handed homosexual and heterosexual men., Archives of Sexual Behavior, Nov 2007.
• Witelson, S.F., Beresh, H. & Kigar, D.L. Intelligence and brain size in 100 postmortem brains: Sex, lateralization and age factors., Brain : A Journal of Neurology, 2006, 129(Pt 2), 386-98.

See additional profiles on Dr. Witelson at: : www.science.ca and: www.cos.com

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