Cited by 145Attention Deficit Hyperactivity DisorderNeurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology Studies

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Methylphenidate enhances brain activation and deactivation responses to visual attention and working memory tasks in healthy controls

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Abstract

Methylphenidate (MPH) is a stimulant drug that amplifies dopamineric and noradrenergic signaling in the brain, which is believed to underlie its cognition enhancing effects. However, the neurobiological effects by which MPH improves cognition are still poorly understood. Here, functional magnetic resonance imaging (fMRI) was used together with working memory (WM) and visual attention (VA) tasks to test the hypothesis that 20mg oral MPH would increase activation in the dorsal attention network (DAN) and deactivation in the default mode network (DMN) as well as improve performance during cognitive tasks in healthy men. The group of subjects that received MPH (MPH group; N=16) had higher activation than the group of subjects who received no medication (control group: N=16) in DAN regions (parietal and prefrontal cortex, regions increasingly activated with increased cognitive load) and had increased deactivation in the insula and posterior cingulate cortex (regions increasingly deactivated with increased cognitive load) and these effects did not differ for the VA and the WM tasks. These findings provide the first evidence that MPH enhances activation of the DAN whereas it alters DMN deactivation. This suggests that MPH (presumably by amplifying dopamine and noradrenergic signaling) modulates cognition in part through its effects on DAN and DMN.

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Crossref · 10.1016/j.neuroimage.2010.10.060

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Metadata

Authors
Tomasi, D., Volkow, N. D., Wang, G. J., Wang, R., Telang, F., Caparelli, E. C., Wong, C., Jayne, M., & Fowler, J. S.
Affiliations
  • National Institute on Alcohol Abuse and Alcoholism (US)
  • Brookhaven National Laboratory (US)
Corresponding author
Tomasi, D.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2011-02
Volume
54
Issue
4
Pages
3101-3110
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2027473195
Cited by
145
References
51
Citations by year
2026: 4 · 2025: 5 · 2024: 8 · 2023: 7 · 2022: 4 · 2021: 9 · 2020: 5 · 2019: 6 · 2018: 5 · 2017: 8 · 2016: 17 · 2015: 5 · 2014: 11 · 2013: 26 · 2012: 19
FWCI
11.15
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Alcohol Abuse and Alcoholism (2RO1AA09481)
  • National Center for Research Resources (GCRC 5-MO1-RR-10710)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
methylphenidate, stimulants, cognitive enhancement, dorsal attention network, default mode network, brain deactivation, visual attention, working memory, cognitive load, parietal cortex, prefrontal cortex, insula, posterior cingulate cortex, dopamine, norepinephrine
MeSH terms
Adult, Central Nervous System Stimulants, Attention, Brain, Humans, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Male, Memory, Short-Term, Methylphenidate, Photic Stimulation

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