Attention-deficit/hyperactivity disorder and Williams syndrome: Shared behavioral and neuropsychological profiles

Sinéad Rhodes, D.M. Riby, K. Matthews, D.R. Coghill

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)


We compared verbally matched attention-deficit/hyperactivity disorder (ADHD), Williams syndrome (WS), and typically developing individuals (N = 19 each group) on behavioral symptoms (Conners ADHD rating scale) and neuropsychological functioning. Neuropsychological tasks included those that assessed short-term memory and executive functions from the CANTAB (Cambridge Neuropsychological Test Automated Battery) neuropsychological battery. Children with WS scored within the abnormal range and did not differ in severity from ADHD children on the Conners Oppositionality, Cognitive Problems/Inattention, Hyperactivity, and ADHD Index subscales. The WS and ADHD groups also showed similar patterns of neuropsychological functioning, particularly in working memory (WM) strategy use and delayed short-term memory (STM). The findings may have clinical implications for the management of individuals with WS, highlighting the potential significance of behavioral, educational, and pharmacological strategies and treatments known to be useful in the treatment of children with ADHD for individuals with WS.
Original languageEnglish
Pages (from-to)147-156
Number of pages10
JournalJournal of Experimental and Clinical Neuropsychology
Issue number1
Early online date9 Aug 2010
Publication statusPublished - 2011


  • adhd
  • williams syndrome
  • working memory
  • attention deficit hyperactivity disorder
  • executive function
  • conners rating scales


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