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Known risk factors for violence predict 12-month-old infants' aggressiveness with peers

Hay, Dale F. ORCID:, Mundy, Lisa, Roberts, Siwan Mair, Carta, Raffaella, Waters, Cerith S. ORCID:, Perra, Oliver, Jones, Roland Morgan, Jones, Ian Richard ORCID:, Goodyer, Ian, Harold, Gordon Thomas, Thapar, Anita ORCID: and Van Goozen, Stephanie Helena Maria ORCID: 2011. Known risk factors for violence predict 12-month-old infants' aggressiveness with peers. Psychological Science 22 (9) , pp. 1205-1211. 10.1177/0956797611419303

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This study tested the hypothesis that 12-month-old infants’ use of force against peers is associated with known risk factors for violence. We conducted a prospective longitudinal study, which included laboratory observations of firstborn British infants (N = 271) during simulated birthday parties. No gender differences in aggressiveness were observed. The infants’ observed aggressiveness was significantly correlated with mothers’ mood disorder during pregnancy and with mothers’ history of conduct problems. Infants’ observed aggressiveness was correlated with parents’ ratings of infants’ anger and aggression, which were also predicted by mothers’ mood disorder and history of conduct problems. Our findings indicate that infants at risk for serious aggression can already be identified when the motor ability to use physical force first enters the human repertoire.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Neuroscience and Mental Health Research Institute (NMHRI)
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
R Medicine > RJ Pediatrics > RJ101 Child Health. Child health services
Uncontrolled Keywords: Aggressive behavior; Antisocial behavior; Emotional development; Infant development
Publisher: SAGE Publications
ISSN: 0956-7976
Last Modified: 03 Jun 2024 17:01

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