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Peter Humphreys photo of Peter Humphreys
Clinical Investigator, CHEO Research Institute
Neurologist, Department of Pediatrics, CHEO
Professor, Department of Pediatrics, University of Ottawa
Medical Director, Rett Syndrome Clinic, CHEO

phumphreys@cheo.on.ca
613-737-7600 Ext. 2605
Research Practice Areas:
Current Research:
Dr. Humphreys’ research is focused on the development of motor disability scoring system for Rett syndrome. He is also studying clinical-radiological correlations in cerebral palsy and fetal hydrocephalus. Dr. Humphreys is the site investigator at CHEO Research Institute for the NIH-funded Vascular Infection in Pediatric Stroke (VIPS) study. Dr. Humphreys is semi-retired and his research activities are slowly winding down.
Research Team:
Biography:
Dr. Humphreys is a clinical investigator at the CHEO Research Institute and a full professor in the Department of Pediatrics at the University of Ottawa. He is a specialist in developmental brain disorders, and established the first Canadian clinic devoted to patient care and research for Rett syndrome. His research publications have primarily dealt with Rett syndrome, cerebral palsy and fetal hydrocephalus. He is one of two current site investigators for pediatric stroke studies created under the umbrella of the International Pediatric Stroke Study (IPSS). Dr. Humphreys is semi-retired his research is slowly winding down.
Sample Publications:
Humphreys P, Muzumdar D, Sly L, Michaud J. Focal cerebral mantle disruption in fetal hydrocephalus. Pediatr Neurol 2007; 36: 236-243.

Humphreys P, Deonandan R, Whiting S, Barrowman N, Matzinger MA, Briggs V, Hurteau J, Wallace E. Factors associated with epilepsy in children with periventricular leukomalacia. J Child Neurol 2007; 22:598-605.

Samaco RC, Mandel-Brehm C, Chao HT, Ward CS, Fyffe-Maricich SL, Ren J, Hyland K, Thaller C, Maricich SM, Humphreys P, Greer JJ, Percy A, Glaze DG, Zoghbi HY, Neul JL. Loss of MeCP2 in aminergic neurons causes cell-autonomous defects in neurotransmitter synthesis and specific behavioural abnormalities. Proc Nat Acad Sciences 2009;106:21966-21971.
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