He studies the etiology of sexual aggression, the development of atypical sexual preferences, the physiological assessment of sexual arousal, sex differences in genital arousal, the effect of birth order on development and the determinants of risk taking. Prior to joining the U of L, he was a research psychologist at the Centre for Addiction and Mental Health, and associate professor of psychiatry and criminology at the University of Toronto (1997-2004). Lalumiere teaches courses on criminal behaviour, psychopathology and evolutionary psychology and is a past Chair of the Human Subject Research Committee.