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Autism is a complex neuropsychiatric disorder of developmental origin, where multiple genetic and environmental factors likely interact resulting in a clinical continuum between “affected” and “unaffected” individuals in the general population. During the last two decades, relevant progress has been made in identifying chromosomal regions and genes in linkage or association with autism, but no single...
Several lines of evidence suggest that presence of a D 2 dopamine receptor (DRD2) gene variant marked by TaqI restriction fragment length polymorphisms (RFLPs) might contribute to vulnerability to substance abuse. Psychostimulants display the most robust enhancement of dopamine activity in mesolimbic/mesocortical circuits important for behavioral reward. The present study tests the hypothesis...
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