Cited by 90Attention Deficit Hyperactivity DisorderNeural and Behavioral Psychology StudiesDevelopmental and Educational Neuropsychology

Efficiency of the Prefrontal Cortex During Working Memory in Attention-Deficit/Hyperactivity Disorder

SHERIDAN, MARGARET A., HINSHAW, STEPHEN, D'ESPOSITO, MARK·2007·Journal of the American Academy of Child & Adolescent Psychiatry

Abstract

Objective Previous research has demonstrated that during task conditions requiring an increase in inhibitory function or working memory, children and adults with attention-deficit/hyperactivity disorder (ADHD) exhibit greater and more varied prefrontal cortical (PFC) activation compared to age-matched control participants. This pattern may reflect cortical inefficiency. We examined this hypothesis using a working memory task in a group of adolescent girls with and without ADHD.Method Functional magnetic resonance imaging was used to investigate blood oxygenated level-dependent signal during a working memory task for 10 adolescents from each group, ages 11 to 17 years. We analyzed brain-behavior relationships with anatomically defined regions of interest in the PFC and primary motor cortex.Results The relationship between brain activity in the dorsolateral PFC and ventrolateral PFC and memory retrieval speed differed by group membership, whereby comparison girls had a more efficient brain-behavior relationship than girls with ADHD. There were no such group differences in brain-behavior relationships for primary motor cortex.Conclusions These findings lend support to the idea that cognitive and behavioral deficits experienced by children and adolescents with ADHD may in part be related to relatively low efficiency of PFC function.

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Crossref · 10.1097/chi.0b013e31812eecf7

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Authors
SHERIDAN, M. A., HINSHAW, S., & D'ESPOSITO, M.
Affiliations
University of California, Berkeley (US)
Corresponding author
SHERIDAN, MARGARET A.
Venue
Journal of the American Academy of Child & Adolescent Psychiatry
Publisher
Elsevier BV
Published
2007-10
Volume
46
Issue
10
Pages
1357-1366
ISSN
0890-8567 (ISSN-L)
OpenAlex
W2006442670
Cited by
90
References
8
Citations by year
2026: 1 · 2025: 4 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 6 · 2019: 5 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 3 · 2013: 11 · 2012: 7
FWCI
5.02
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Academy of Child & Adolescent Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • NIH (MH45064 (S.H.), MH63901, NS40813 (M.D.))
  • NIMH (MH62997)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
Keywords
attention deficit hyperactivity disorder, working memory, prefrontal cortex, dorsolateral prefrontal cortex, ventrolateral prefrontal cortex, primary motor cortex, brain-behavior relationship, adolescents, inhibitory function
MeSH terms
Adolescent, Attention Deficit Disorder with Hyperactivity, Child, Female, Humans, Magnetic Resonance Imaging, Male, Memory Disorders, Neuropsychological Tests, Reaction Time, Severity of Illness Index, Prefrontal Cortex

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