Visuoperceptual functioning differs in 9- to 12-year olds prenatally exposed to cigarettes and marihuana.

  title={Visuoperceptual functioning differs in 9- to 12-year olds prenatally exposed to cigarettes and marihuana.},
  author={Peter A. Fried and Barbara Watkinson},
  journal={Neurotoxicology and teratology},
  volume={22 1},
Visuoperceptual performance was examined in 146 9- to 12-year old children for whom prenatal exposure to marihuana and cigarettes had been ascertained. The subjects, participants in an ongoing longitudinal study, were from a low-risk, predominantly middle class sample. The tasks ranged in complexity from those that required basic visuoperceptual skills to those that required considerable integration and cognitive manipulation of such skills. Trend analysis revealed a dose dependent negative… CONTINUE READING


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