“…Persistent effects on the frontal-subcortical circuit of human infants have been proposed as one of the possible sequelae of prenatal exposure to cocaine (Mayes, 1999), alcohol (Kaemingk and Paquette, 1999), and marijuana (Fried and Smith, 2001). There is neurological evidence of the frontal-subcortical circuit's vulnerability to prenatal exposure to these substances: cocaine (Frick and Dow-Edwards, 1995;Friedman et al, 1996;Spear, 1995), alcohol (Mihalick et al, 2001;Sowell et al, 2002;Wass et al, 2001), and, less directly, marijuana (Glass et al, 1997).…”