The DOI matches its Crossref record; 76 of the 76 references it cites were found in a registry or an index.
A lack of default network suppression is linked to increased distractibility in ADHD
Open accessAbstract
Heightened distractibility in participants with ADHD as indexed by increased reaction time (RT) variability has been hypothesized to be due to a failure to sufficiently suppress activation in the default attention network during cognitively demanding situations. The present study utilized fMRI to examine the relationship between intra-individual variability (IIV) in task RT and suppression of BOLD response in regions of the default network, using a working memory paradigm and two levels of control tasks. IIV was calculated separately for thirteen healthy control and twelve children with ADHD, Combined Type. Children with ADHD displayed significantly more RT variability than controls. Neural measures showed that although both groups displayed a pattern of increasing deactivation of the medial prefrontal cortex (PFC) with increasing task difficulty, the ADHD group was significantly less deactive than controls. Correlations between IIV and brain activation suggested that greater variability was associated with a failure to deactivate ventromedial PFC with increasing task difficulty. T-tests on brain activation between participants with ADHD with low versus high IIV implicated a similar region so that high variability was associated with greater activity in this region. These data provide support for the theory that increased distractibility in at least some participants with ADHD may be due to an inability to sufficiently suppress activity in the default attention network in response to increasing task difficulty.
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“Thus, in parametric fMRI task designs, ADHD children and adults, unlike controls, do not progressively deactivate anterior (ventromedial prefrontal cortex, vmPFC) and/or posterior default mode regions (PPC) with increasing WM or attention load, respectively (Fassbender et al., 2009; Christakou et al., 2013; Salavert et al., 2015).”
From Cognitive Neuroscience of Attention Deficit Hyperactivity Disorder (ADHD) and Its Clinical Translation (2018) · cites this paper as Fassbender et al., 2009
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“These findings of enhanced activation of DMN regions confirm recent evidence that poor deactivation of the DMN during cognitive tasks is a typical feature of ADHD and may contribute to poor task performance and enhanced distractibility (Fassbender et al., 2009; Christakou et al., 2013; Salavert et al., 2015).”
From Cognitive Neuroscience of Attention Deficit Hyperactivity Disorder (ADHD) and Its Clinical Translation (2018) · cites this paper as Fassbender et al., 2009
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In the citing paper
“and problems to deactivate the DMN during cognitive functions have been associated with more attention lapses, both in normal development and in ADHD (Broyd et al., 2009; Fassbender et al., 2009; Christakou et al., 2013).”
From Cognitive Neuroscience of Attention Deficit Hyperactivity Disorder (ADHD) and Its Clinical Translation (2018) · cites this paper as Fassbender et al., 2009
In the citing paper
“These impairments often manifest as increased distractibility or elevated levels of mind-wandering,212,228–231 as well as hyperactivity of the DN and weaker anticorrelations with networks involved in external attention.146–148,229,232–235”
From The default network and self-generated thought: component processes, dynamic control, and clinical relevance (2014) · cites this paper as [233]
In the citing paper
“Children with ADHD have also been shown to be less able to deactivate the DMN than controls, and this inability to deactivate the DMN has been directly related to RTV [77].”
From Reaction Time Variability in ADHD: A Review (2012) · cites this paper as [77]
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Research works printed but not linked: 1
- Schweitzer, J.B., Fassbender, C., Cortes, C.R., Tagamets, M.A., Windsor, A., Reeves, G., Carter, C.S., and Gullapalli, R. under review. Working memory processing in attention deficit hyperactivity disorder is characterized by a lack of specialization of brain function.
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Andrews‐Hanna, J. R., Smallwood, J., & Spreng, R. N. (2014) · Annals of the New York Academy of Sciences · doi:10.1111/nyas.12360 · Cited by 2,102
Default Mode Network Activity and Connectivity in Psychopathology
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Mind-wandering as spontaneous thought: a dynamic framework
Christoff, K., Irving, Z. C., Fox, K. C. R., Spreng, R. N., & Andrews-Hanna, J. R. (2016) · Nature Reviews Neuroscience · doi:10.1038/nrn.2016.113 · Cited by 1,376
Large-scale brain systems in ADHD: beyond the prefrontal–striatal model
Castellanos, F. X., & Proal, E. (2012) · Trends in Cognitive Sciences · doi:10.1016/j.tics.2011.11.007 · Cited by 831
Salience network integrity predicts default mode network function after traumatic brain injury
Bonnelle, V., Ham, T. E., Leech, R., Kinnunen, K. M., Mehta, M. A., Greenwood, R. J., & Sharp, D. J. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1113455109 · Cited by 606
Metadata
- Authors
- Fassbender, C., Zhang, H., Buzy, W. M., Cortes, C. R., Mizuiri, D., Beckett, L., & Schweitzer, J. B.
- Affiliations
- University of California Davis Medical Center (US)
- University of California, Davis (US)
- Venue
- Brain Research
- Publisher
- Elsevier BV
- Published
- 2009-06
- Volume
- 1273
- Pages
- 114-128
- ISSN
- 0006-8993 (ISSN-L)
- PMC
- PMC4721585
- OpenAlex
- W1983208632
- Cited by
- 316
- References
- 76
- Citations by year
- 2026: 8 · 2025: 14 · 2024: 14 · 2023: 13 · 2022: 22 · 2021: 18 · 2020: 17 · 2019: 19 · 2018: 17 · 2017: 19 · 2016: 26 · 2015: 16 · 2014: 32 · 2013: 24 · 2012: 24
- FWCI
- 11.51
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Brain Research (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of Mental Health (R01MH066310)
- National Center for Research Resources (UL1RR024146)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Life Sciences › Neuroscience › Cognitive Neuroscience › Mind wandering and attention
- Keywords
- attention deficit hyperactivity disorder, distractibility, default mode network, reaction time variability, within-person variability, medial prefrontal cortex, ventromedial prefrontal cortex, neural deactivation, task difficulty, working memory, children
- MeSH terms
- Adolescent, Attention, Attention Deficit Disorder with Hyperactivity, Brain, Brain Mapping, Child, Cognition, Female, Gyrus Cinguli, Humans, Magnetic Resonance Imaging, Male, Memory, Short-Term, Mental Processes, Nerve Net, Neural Inhibition, Neuropsychological Tests, Reaction Time, Normal Distribution, Prefrontal Cortex
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