Journal of Abnormal Child Psychology

, Volume 18, Issue 1, pp 29–45

Comorbidity of ADHD and reading disability among clinic-referred children

  • Gerald J. August
  • Barry D. Garfinkel

DOI: 10.1007/BF00919454

Cite this article as:
August, G.J. & Garfinkel, B.D. J Abnorm Child Psychol (1990) 18: 29. doi:10.1007/BF00919454


Of a consecutive series of 115 boys diagnosed in a university outpatient clinic as ADHD, 39% also demonstrated a specific reading disability. Pure ADHD patients were compared with mixed ADHD + RD and normal controls on a battery of cognitive and attentional measures. The aim was to determine whether a distinct pattern of deficits would distinguish the groups. Both ADHD subgroups performed significantly worse than controls on measures of sequential memory and attentional tasks involving impulse control andplanful organization. Only ADHD+RD boys differed from controls on measures or rapid word naming and vocabulary. The reuslts are discussed within the framework of an automatic versus effortful information-processing model.

Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • Gerald J. August
    • 1
  • Barry D. Garfinkel
    • 1
  1. 1.Department of PsychiatryUniversity of Minnesota Hospital and ClinicMinneapolis

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