Cited by 95Attention Deficit Hyperactivity DisorderAutism Spectrum Disorder ResearchDevelopmental and Educational Neuropsychology

Executive functioning differences between adults with attention deficit hyperactivity disorder and autistic spectrum disorder in initiation, planning and strategy formation

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Bramham, Jessica, Ambery, Fiona, Young, Susan, Morris, Robin, Russell, Ailsa, Xenitidis, Kiriakos, Asherson, Philip, Murphy, Declan·2009·Autism

Abstract

Executive functioning deficits characterize the neuropsychological profiles of the childhood neurodevelopmental disorders of attention deficit hyperactivity disorder (ADHD) and autistic spectrum disorder (ASD). This study sought to determine whether similar impairments exist in adults with ADHD (N = 53) and ASD (N = 45) in comparison with a healthy control group (N = 31), whether the two disorders can be distinguished on the basis of their executive functioning features, and whether these impairments are related to symptom severity. Both clinical groups were found to exhibit executive functioning deficits. The ADHD group had difficulty withholding a response, with relative preservation of initiation and planning abilities. In contrast, the ASD group exhibited significant impairments in initiation, planning and strategy formation. The specific executive functioning deficits were related to severity of response inhibition impairments in ADHD and stereotyped, repetitive behaviours in ASD. These findings suggest the pattern of executive functioning deficits follows a consistent trajectory into adulthood.

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  1. Willcutt, E.G., Pennington, B.F. & DeFries, J.C. (2000) 'Twin Study of the Etiology of Comorbidity between Reading Disability and Attentional Deficit/Hyperactivity Disorder', American Journal of Medical Genetics (Neuropsychiatric Genetics) 96: 293-301.
  2. Willcutt, E.G., Doyle, A.E., Nigg, J.T., Faraone, S.V. & Pennington, B.F. (2005) 'Validity of the Executive Function Theory of ADHD: A Meta-Analytic Review', Biological Psychiatry 57: 1336-46.

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Authors
Bramham, J., Ambery, F., Young, S., Morris, R., Russell, A., Xenitidis, K., Asherson, P., & Murphy, D.
Affiliations
  • University College Dublin (IE)
  • Institute of Psychiatry, UK
Corresponding author
Bramham, Jessica
Venue
Autism
Published
2009-05
Volume
13
Issue
3
Pages
245-264
ISSN
  • 1362-3613 (ISSN-L)
  • 1461-7005
OpenAlex
W2103706231
Cited by
95
References
74
Citations by year
2026: 4 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 5 · 2021: 4 · 2020: 6 · 2019: 4 · 2018: 7 · 2017: 8 · 2016: 5 · 2015: 4 · 2014: 10 · 2013: 13 · 2012: 8
FWCI
4.32
Type
journal article
Language
en
Open access
Locations
  • Autism (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
National Institute for Health and Care Research (RP-PG-0606-1045)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
Keywords
executive function, attention deficit hyperactivity disorder, autism spectrum disorder, adults, task initiation, planning, strategy formulation, response inhibition, symptom severity, neuropsychological profile
MeSH terms
Adult, Age Factors, Attention, Attention Deficit Disorder with Hyperactivity, Autistic Disorder, Cognition Disorders, Female, Frontal Lobe, Humans, Male, Neuropsychological Tests, Reaction Time, Severity of Illness Index, Stereotyped Behavior, Prefrontal Cortex

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