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Titre du Document
Conceptual issues in behavioral teratology and their application in determining long-term sequelae of prenatal marihuana exposure
Auteur(s)
FRIED P. A.
Résumé
Background: Behavioral teratology, particularly as it is applied to the evaluation of cognition and behavior of children beyond the toddler stage, has become an area of burgeoning activity. In the area of drug abuse, children exposed in utero are often at developmental peril because of non-drug pre- and postnatal risk factors that make a causal association between the drug of interest and a behavioral teratogenic outcome increasingly problematic as the child gets older. Methods: In the first portion of this review, the strategies that behavioral teratologists have undertaken to investigate the putative consequences of in utero exposure are discussed in terms of research design, statistical methods and interpretative approaches. In the second part of the paper, the relatively limited literature dealing with the behavioral teratological consequences of prenatal marihuana exposure, particularly in school age offspring, is reviewed. Results: An emergent theme arising from primarily two longitudinal investigations is that in utero cannabis exposure does not impact upon standardized derived IQ scores but is negatively associated with attentional behavior and visual analysis/hypothesis testing. These findings are interpreted as supporting the hypothesis that, among offspring beyond the toddler stage, prenatal marihuana exposure has a negative influence on aspects of executive function. Executive function is a 'top-down', multifaceted cognitive construct involved in organizing and in
Editeur
Blackwell
Identifiant
PMID : 11848338 ISSN : 0021-9630 CODEN : JPPDAI
Source
Journal of child psychology and psychiatry and allied disciplines (Print) A. 2002, vol. 43, n° 1, pp. 81-102 [bibl. : 5 p.1/2]
Langue
Anglais
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