Cited by 281Attention Deficit Hyperactivity DisorderFunctional Brain Connectivity StudiesNeural and Behavioral Psychology Studies

Task‐related default mode network modulation and inhibitory control in ADHD: effects of motivation and methylphenidate

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Liddle, Elizabeth B., Hollis, Chris, Batty, Martin J., Groom, Madeleine J., Totman, John J., Liotti, Mario, Scerif, Gaia, Liddle, Peter F.·2011·Journal of Child Psychology and Psychiatry

Abstract

BACKGROUND: Deficits characteristic of attention deficit/hyperactivity disorder (ADHD), including poor attention and inhibitory control, are at least partially alleviated by factors that increase engagement of attention, suggesting a hypodopaminergic reward deficit. Lapses of attention are associated with attenuated deactivation of the default mode network (DMN), a distributed brain system normally deactivated during tasks requiring attention to the external world. Task-related DMN deactivation has been shown to be attenuated in ADHD relative to controls. We hypothesised that motivational incentives to balance speed against restraint would increase task engagement during an inhibitory control task, enhancing DMN deactivation in ADHD. We also hypothesised that methylphenidate, an indirect dopamine agonist, would tend to normalise abnormal patterns of DMN deactivation. METHOD: We obtained functional magnetic resonance images from 18 methylphenidate-responsive children with ADHD (DSM-IV combined subtype) and 18 pairwise-matched typically developing children aged 9-15 years while they performed a paced Go/No-go task. We manipulated motivational incentive to balance response speed against inhibitory control, and tested children with ADHD both on and off methylphenidate. RESULTS: When children with ADHD were off-methylphenidate and task incentive was low, event-related DMN deactivation was significantly attenuated compared to controls, but the two groups did not differ under high motivational incentives. The modulation of DMN deactivation by incentive in the children with ADHD, off-methylphenidate, was statistically significant, and significantly greater than in typically developing children. When children with ADHD were on-methylphenidate, motivational modulation of event-related DMN deactivation was abolished, and no attenuation relative to their typically developing peers was apparent in either motivational condition. CONCLUSIONS: During an inhibitory control task, children with ADHD exhibit a raised motivational threshold at which task-relevant stimuli become sufficiently salient to deactivate the DMN. Treatment with methylphenidate normalises this threshold, rendering their pattern of task-related DMN deactivation indistinguishable from that of typically developing children.

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  1. Caron MG Wightman RM To learn, you must pay attention Molecular insights into teachers' wisdom. Proceedings of the National Academy of Sciences of the United States of America 2009 106 18 7267 7268 19416916 PMC2678641
  2. Fransson P How default is the default mode of brain function? Further evidence from intrinsic BOLD signal fluctuations Neuropsychologia 2006 44 14 2836 2845 16879844
  3. Sagvolden T Sergeant JA Attention deficit/hyperactivity disorder - from brain dysfunctions to behaviour Behavioural Brain Research 1998 94 1 1 10 9708834

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Authors
Liddle, E. B., Hollis, C., Batty, M. J., Groom, M. J., Totman, J. J., Liotti, M., Scerif, G., & Liddle, P. F.
Affiliations
  • University of Nottingham (GB)
  • King's College London (GB)
  • University of Oxford (GB)
Venue
Journal of Child Psychology and Psychiatry
Publisher
Wiley
Published
2010-11-12
Volume
52
Issue
7
Pages
761-771
ISSN
  • 0021-9630 (ISSN-L)
  • 1469-7610
OpenAlex
W2112249501
Cited by
281
References
32
Citations by year
2026: 8 · 2025: 10 · 2024: 12 · 2023: 11 · 2022: 22 · 2021: 22 · 2020: 26 · 2019: 15 · 2018: 15 · 2017: 13 · 2016: 29 · 2015: 20 · 2014: 31 · 2013: 20 · 2012: 17
FWCI
10.28
Type
journal article
Language
en
Open access
Locations
  • Journal of Child Psychology and Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by)
  • Nottingham ePrints (University of Nottingham) (submittedVersion, cc-by)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, other-oa)
  • Padua Research Archive (University of Padova) (submittedVersion)
Funders
Wellcome Trust (076448)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
attention deficit hyperactivity disorder, default mode network, inhibitory control, methylphenidate, motivation, reward processing, dopamine, go/no-go task, children, task engagement
MeSH terms
Adolescent, Central Nervous System Stimulants, Attention, Attention Deficit Disorder with Hyperactivity, Brain, Child, Evoked Potentials, Female, Humans, Inhibition, Psychological, Magnetic Resonance Imaging, Male, Methylphenidate, Motivation, Pattern Recognition, Visual, Psychomotor Performance, Reaction Time, Token Economy, Matched-Pair Analysis, Video Games

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