Examining the relationship between executive functions and restricted, repetitive symptoms of Autistic Disorder

Brian R. Lopez, Alan J. Lincoln, Sally J Ozonoff, Zona Lai

Research output: Contribution to journalArticle

259 Citations (Scopus)

Abstract

The executive function theory was utilized to examine the relationship between cognitive process and the restricted, repetitive symptoms of Autistic Disorder (AD). Seventeen adults with AD were compared to 17 nonautistic controls on a new executive function battery (Delis-Kaplin Executive Function Scales). Restricted, repetitive symptoms were measured by a variety of instruments (i.e., the Autism Diagnostic Observation Schedule, Autism Diagnostic Interview-Revised, Gilliam Autism Rating Scale, and the Aberrant Behavior Checklist). The study replicated the executive function profile that has been reported in adults with AD. In addition to the replication findings, the study found several executive processes (i.e., cognitive flexibility, working memory, and response inhibition) were highly related to the restrictive, repetitive symptoms of AD; whereas, other executive process (i.e., planning and fluency) were not found to be significantly correlated with restricted, repetitive symptoms. Similarly, we found an executive function model consisting of relative strengths and deficits was the best predictor of restricted, repetitive symptoms of autism. The implications for the executive function theory and how the theory predicts core symptoms of autism are discussed.

Original languageEnglish (US)
Pages (from-to)445-460
Number of pages16
JournalJournal of Autism and Developmental Disorders
Volume35
Issue number4
DOIs
StatePublished - Aug 2005

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Executive Function
Autistic Disorder
Checklist
Short-Term Memory
Appointments and Schedules
Observation
Interviews

Keywords

  • Autistic symptoms
  • Delis-Kaplin Executive Function Scales
  • Executive function
  • Repetitive symptoms
  • Restricted
  • Stereotyped behaviors

ASJC Scopus subject areas

  • Psychology(all)
  • Developmental and Educational Psychology

Cite this

Examining the relationship between executive functions and restricted, repetitive symptoms of Autistic Disorder. / Lopez, Brian R.; Lincoln, Alan J.; Ozonoff, Sally J; Lai, Zona.

In: Journal of Autism and Developmental Disorders, Vol. 35, No. 4, 08.2005, p. 445-460.

Research output: Contribution to journalArticle

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