Shared and nonshared symptoms in youth-onset psychosis and adhd

Canan Karatekin, Tonya White, Christopher Bingham

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Objective: We compared ratings of behavior and attention problems between youth-onset psychosis and ADHD, two disorders in which attentional impairments play a key role, and examined the effect of psychostimulant use on age of onset in psychosis. Method: Parent and teacher ratings of behavioral problems and ADHD symptoms were collected using the Achenbach CBCL, TRF, and SNAP-IV Teacher Rating Scales on 42 participants with psychosis, 36 with ADHD and 57 controls (ages 8-19). Results and Conclusions: Results suggested that academic, externalizing, and attention problems reflect symptoms shared between the disorders, whereas internalizing, social and thought problems reflect factors that differ between disorders. Furthermore, participants with psychosis who had been prescribed psychostimulants had a younger age of onset of psychotic symptoms than those who had not. This difference could reflect dissimilarities in symptom severity symptom between subgroups or potentially harmful effects of psychostimulants in individuals predisposed to develop psychosis.

Original languageEnglish (US)
Pages (from-to)121-131
Number of pages11
JournalJournal of Attention Disorders
Issue number2
StatePublished - 2010


  • ADHD
  • behavior problems
  • externalizing
  • internalizing
  • youth-onset psychosis


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