Psychologist Seth Pollak and doctoral student Alison Wismer Fries have for the first time shown that two 'social bonding' hormones can potentially run awry when young children suffer emotional and physical neglect in the earliest years of life. The researchers monitored hormone levels in children before and after they played an animated and interactive computer game, while sitting in the lap of either their mother or an unfamiliar woman. Image credit: courtesy Jeff Miller Photo date: August 2005

	Seth Pollak, associate professor of psychology, psychiatry and pediatrics and researcher at the Waisman Center for Human Development. Image credit: courtesy Michael Forster Rothbart Photo date: March 2004
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