6875 Boulevard Lasalle
Montréal, QC H4H 1R3
Epigenetics Reseacher at the Ludmer Centre and the
Douglas Hospital Research Centre
Assistant Professor in Epigenetics and Epidemiology, Dep. of Psychiatry, McGill University
Dr O’Donnell is a leading expert in perinatal influences on early-childhood development, and the biological embedding of early adversity. His work examines how the early environment shapes child development. This multidisciplinary work combines genetic, epigenetic and epidemiological approaches to identify those at-risk for adverse mental health outcomes. He also seeks to better understand the molecular mechanisms by which positive and nurturing environments mediate their positive effects on child neurodevelopment.
Prenatal maternal mood is associated with altered diurnal cortisol in adolescence. Psychoneuroendocrinology. 2013;38(9):1630-8.
Maternal prenatal anxiety and downregulation of placental 11β-HSD2. Psychoneuroendocrinology. 2012;37(6):818-26.
Prenatal stress and the programming of the HPA axis. Neurosci Biobehav Rev. 2010;35(1):17-22.
Anxiety, depression and saliva cortisol in women with a medical disorder during pregnancy. Arch Womens Ment Health. 2010;13(4):339-45.
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