Developmental predictors of an impulsive-aggressive phenotype.

Abstract excerpt

In hamsters, individual differences in offensive aggression are associated with impulsive choice, leading to the characterization of a distinct impulsive-aggressive phenotype. This study had two goals: to determine the developmental trajectory of the maturation of this phenotype and to address its parental lineage. Interestingly, individuals most aggressive as adults were less likely to attack in early puberty....

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