ADHD and dyscalculia: evidence for independent familial transmission.(attention-deficit/hyperactivity disorder)

Journal of Learning Disabilities, January, 2005 by Biederman, Joseph; Faraone, Stephen V.; Herzig, Kathleen; Monuteaux, Michael C.; Navsaria, Neha

Several studies have documented the co-occurrence of attention-deficit/hyperactivity disorder (ADHD) and learning disabilities (LD) in youth. For example, our group reported a significant association between ADHD and LD in a clinical sample of children with ADHD (Semrud-Clikeman et al., 1992). Others have also found associations between these disorders (August & Garfinkel, 1990; Shaywitz et al., 1995). These results have been subsequently replicated in large samples of psychiatrically and pediatrically referred youth of both genders (Biederman et al., 2002). However, most of the literature on the overlap between LD and ADHD has either aggregated mathematical and reading disabilities or focused solely on reading disabilities. Thus, relatively little is known about the...

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