Neurobehavioral Profiles of Neonates Exposed to Cocaine Prenatally
1 From the Yale Child Study Center, National Institute of Child Health and Human Development, and Yale School of Medicine, New Haven, CT.
This study examined the effects of maternal cocaine use on performance on the Neonatal Behavioral Assessment Scale (NBAS). Cocaine-exposed newborns (n = 56) were compared with a non-cocaine-exposed group (n = 30) born to mothers with similar sociodemographic characteristics. Cocaine-exposed newborns showed significant reduction in birth weight but did not experience greater obstetric or postnatal complications. On neurobehavioral assessments using the NBAS, cocaine-exposed newborns showed significantly depressed performance on the habituation cluster but not on other NBAS clusters when differences in birth weight were controlled. In a sample of 30 cocaine-exposed newborns matched on birth weight, gestational age, and race to the 30 non-cocaine-exposed newborns, cocaine-exposed newborns continued to show depressed habituation performance. The significance of a selective effect of cocaine exposure on early habituation performance is discussed in terms of the implications for attentional regulation in the first year of life.
Key Words: cocaine neonate neurobehavioral profile
Submitted on August 6, 1992
Accepted on November 3, 1992
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