ABR and auditory P300 findings in children with ADHD.
Auditory processing disorders (APD), also referred as central auditory processing disorders (CAPD) and attention deficit hyperactivity disorders (ADHD) have become popular diagnostic entities for school age children. It has been demonstrated a high incidence of comorbid ADHD with communication disorders and auditory processing disorder. The aim of this study was to investigate ABR and P300 auditory evoked potentials in children with ADHD, in a double-blind study. Twenty-one children, ages between 7 and 10 years, with a primary diagnosis of ADHD, participated in this experiment. Results showed that all children had normal ABR with normal latency for wave V. Results also showed that among 42 ears combined 52.38% did not have P300. For the medicated subjects we observed that among 28 ears, 42.85% did not have P300 and for the non-medicated 71.43% (N = 14 ears) did not have P300. Our results suggest that the medicated subjects had more presence of P300 (57.15%) than the non-medicated group (28.57%), though the absence of these potentials were high among the group--52.38%.[1]References
- ABR and auditory P300 findings in children with ADHD. Schochat, E., Scheuer, C.I., Andrade, E.R. Arquivos de neuro-psiquiatria. (2002) [Pubmed]
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