Primate Evidence on the Late Health Effects of Early Life Adversity
University of Chicago
Columbia University, Barnard College - Department of Economics
James J. Heckman
University of Chicago - Department of Economics; National Bureau of Economic Research (NBER); American Bar Foundation; Institute for the Study of Labor (IZA); CESifo (Center for Economic Studies and Ifo Institute)
Central Oregon Community College - Department of Psychology
IZA Discussion Paper No. 6495
This paper exploits a unique ongoing experiment to analyze the effects of early rearing conditions on physical and mental health in a sample of rhesus monkeys (Macaca mulatta). We analyze the health records of 231 monkeys which were randomly allocated at birth across three rearing conditions: Mother Rearing, Peer Rearing, and Surrogate Peer Rearing. We show that the lack of a secure attachment relationship in the early years engendered by adverse rearing conditions has detrimental long-term effects on health which are not compensated by a normal social environment later in life.
Number of Pages in PDF File: 21
Keywords: rhesus monkeys, health, maternal behavior, social deprivation
JEL Classification: I12, J13
Date posted: April 28, 2012
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