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Brain activation patterns in medicated versus medication-naïve adults with attention-deficit hyperactivity disorder during fMRI tasks of motor inhibition and cognitive switching
2021
BMC Medical Imaging
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We hypothesized that ADHD-adults with and without medication would show different fMRI pattern compared to healthy controls while testing tasks of motor inhibition and cognitive switching. ...
However, fMRI revealed statistically significant differences between the ADHD+, ADHD− and control groups on tasks of motor inhibition and cognitive switching on adults in bilateral fronto-striatal brain ...
Discussion This fMRI study demonstrated a statistically significant differences in the brain activation patterns during motor task inhibition and cognitive switching in adults with and without ADHD, as ...
doi:10.1186/s12880-021-00579-3
pmid:33740903
pmcid:PMC7977301
fatcat:nzdyyealmrhmnjetgmg6qtmnym
Task-Specific Hypoactivation in Prefrontal and Temporoparietal Brain Regions During Motor Inhibition and Task Switching in Medication-Naive Children and Adolescents With Attention Deficit Hyperactivity Disorder
2006
American Journal of Psychiatry
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Objective: A relatively small number of functional imaging studies of attention deficit hyperactivity disorder (ADHD) have shown abnormal prefrontal and striatal brain activation during tasks of motor ...
Conclusion: Abnormal brain activation was observed in medication-naive children and adolescents with ADHD during tasks involving motor inhibition and task switching, suggesting that hypoactivation in this ...
Objective: A relatively small number of functional imaging studies of attention deficit hyperactivity disorder (ADHD) have shown abnormal prefrontal and striatal brain activation during tasks of motor ...
doi:10.1176/ajp.2006.163.6.1044
pmid:16741205
fatcat:fzochdaeuvacvomrikohh62n7m
Effects of Stimulants on Brain Function in Attention-Deficit/Hyperactivity Disorder: A Systematic Review and Meta-Analysis
2014
Biological Psychiatry
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We tested methylphenidate effects relative to placebo in functional magnetic resonance imaging (fMRI) during three disorder-relevant tasks in medication-naïve ADHD adolescents. ...
Psychostimulant medication, most commonly the catecholamine agonist methylphenidate, is the most effective treatment for attention-deficit/hyperactivity disorder (ADHD). ...
Attention-deficit/hyperactivity disorder is associated with inhibition, attention, working memory (WM), and timing deficits (2) (3) (4) (5) , underpinned by functional magnetic resonance imaging (fMRI ...
doi:10.1016/j.biopsych.2013.10.016
pmid:24314347
pmcid:PMC4183380
fatcat:kxytudm6znd2tieiy7fy4rbyj4
Functional Neuroimaging in Obsessive-Compulsive Disorder
2011
Neuropsychobiology
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Improvements in spatial resolution of neuroimaging techniques may contribute to a better understanding of the neurocircuitry of OCD and other anxiety disorders. ...
eral studies have targeted brain regions hypothesised to be involved in the pathogenesis of OCD, showing the existence of dysfunctional connectivity in the corticostriatothalamocortical circuitry. ...
All other authors of this paper have no relevant affiliations or financial involvement with any organisation or entity with a financial interest in, or financial conflict with, the subject matter or materials ...
doi:10.1159/000325223
pmid:21701225
fatcat:h7xr2ixhcjh43kdpcf6srntiue
Functional Magnetic Resonance Imaging Evidence for Abnormalities in Response Selection in Attention Deficit Hyperactivity Disorder: Differences in Activation Associated with Response Inhibition but Not Habitual Motor Response
2008
Journal of Cognitive Neuroscience
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., & Rubia, K.
lask-specific hypoactivation in prefrontal and
Tavlor, E
temporoparietal brain regions during motor inhibition and
task switching in medication-naive children and adolescents
with attention ...
, J.,
Event-related fMRI
Tamm, | & Reiss, A. |
of frontotemporal involvement
(2004) evidence in aberrant response inhibition and task switching in attention-deficit/ hyperactivity disorder. ...
doi:10.1162/jocn.2008.20032
pmid:18004945
pmcid:PMC2896028
fatcat:djvucvhjjffr5pnub63pcdxutm
Different Neural Patterns Are Associated With Trials Preceding Inhibitory Errors in Children With and Without Attention-Deficit/Hyperactivity Disorder
2011
Journal of the American Academy of Child and Adolescent Psychiatry
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Objective-Attention-deficit/hyperactivity disorder (ADHD) is associated with difficulty inhibiting impulsive, hyperactive, and off-task behavior. ...
Keywords ADHD; children; functional magnetic resonance imaging; commission error; go/no-go task Difficulties in response inhibition and attentional deficits have been widely reported in children with attention-deficit ...
with ADHD during task switching. 43 In contrast, increased precuneus/PCC activity was found during unsuccessful response inhibition during the stopsignal task in TD adolescents compared with medication-naive ...
doi:10.1016/j.jaac.2011.03.014
pmid:21703498
pmcid:PMC3971481
fatcat:ydbwtocvfvesbaoxyz46ojo63u
Neurobiological Circuits Regulating Attention, Cognitive Control, Motivation, and Emotion: Disruptions in Neurodevelopmental Psychiatric Disorders
2012
Journal of the American Academy of Child and Adolescent Psychiatry
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Children with attention-deficit/hyperactivity disorder show prominent abnormalities in the inferior PFC and its connections to striatal, cerebellar, and parietal regions, whereas children with conduct ...
Results: The PFC provides "top-down" regulation of attention, inhibition/cognitive control, motivation, and emotion through connections with posterior cortical and subcortical structures. ...
Arnsten and Yale University receive royalties from Shire Pharmaceuticals from the sales of extended release guanfacine (Intuniv™) for the treatment of attention-deficit/hyperactivity disorder. Dr. ...
doi:10.1016/j.jaac.2012.01.008
pmid:22449642
fatcat:bjwpkj5juzesxfn4aotj6pdaya
Toward Systems Neuroscience of ADHD: A Meta-Analysis of 55 fMRI Studies
2012
American Journal of Psychiatry
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Objective-To perform a comprehensive meta-analysis of task-based functional MRI studies of Attention-Deficit/Hyperactivity Disorder (ADHD). ...
Significant differences in activation of brain regions between individuals with ADHD and comparisons were detected using activation likelihood estimation meta-analysis (p<0.05, corrected). ...
This work was also supported by NIH grants MH083246, MH081218, HD065282, and K23M087770. ...
doi:10.1176/appi.ajp.2012.11101521
pmid:22983386
pmcid:PMC3879048
fatcat:j5spj5odejcqbhcbxwd3pvjcka
Meta-analysis of fMRI studies of timing in attention-deficit hyperactivity disorder (ADHD)
2012
Neuroscience and Biobehavioral Reviews
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Attention-deficit hyperactivity disorder (ADHD) is associated with deficits in timing functions with, however, inconclusive findings on the underlying neurofunctional deficits. ...
The findings of left fronto-parieto-cerebellar deficits during timing functions contrast with well documented right fronto-striatal dysfunctions for inhibitory and attention functions, suggesting cognitive ...
typically switched off during cognitively demanding tasks in healthy subjects (Weissman et al., 2006) , and which in turn is associated with optimal task performance and fewer attention lapses in healthy ...
doi:10.1016/j.neubiorev.2012.08.003
pmid:22922163
fatcat:pgjnrglcnnaq3bz3i4tf3p7ewy
Cognitive Inflexibility and Frontal-Cortical Activation in Pediatric Obsessive-Compulsive Disorder
2010
Journal of the American Academy of Child and Adolescent Psychiatry
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Objective-Deficits in cognitive flexibility and response inhibition have been linked to perturbations in cortico-striatal-thalamic circuitry in adult obsessive-compulsive disorder (OCD). ...
Method-In this functional magnetic resonance imaging (fMRI) study, a pediatric sample of 10to 17-year-old subjects, 15 with OCD and 20 HC, completed a set-shifting task. ...
Acknowledgments The authors acknowledge the contributions of Adriane Alpern, Elizabeth Flamm, Sarah Glaser, and Elizabeth Sadock from Massachusetts General Hospital for their assistance in conducting assessments ...
doi:10.1016/j.jaac.2010.05.006
pmid:20732630
pmcid:PMC4196669
fatcat:l4a42zxc25enroz7mrgoemluzy
Are Motor Skills and Motor Inhibitions Impaired in Tourette Syndrome? A Review
2015
Journal of Experimental Neuroscience
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This article reviews research on the execution and inhibition of voluntary motor movements in TS. ...
Over last two decades, a number of studies have addressed the structural and functional deficits associated with this syndrome. ...
of control: decreased motor
cortex engagement during a Go/
noGo task in tourette's syndrome
15 patients with pure
tourette's syndrome;
medication-naïve
34 (9)
fmri
Go/noGo reaction time
paradigm ...
doi:10.4137/jen.s25095
pmid:26279630
pmcid:PMC4517831
fatcat:dolpzehsxneh5bb56npcc3htdm
Functional MRI in ADHD: a systematic literature review
2007
Expert Review of Neurotherapeutics
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Every study appears to show differences in patterns of brain activation between cases and controls, but the interpretation of such differences is not as straightforward as it may seem. ...
We present here a systematic review of the fMRI literature in ADHD; areas covered include executive functions, reward processing, the effects of methylphenidate, comorbidity and spontaneous brain activity ...
function in children, adolescents and adults with attention deficit hyperactivity disorder (ADHD). ...
doi:10.1586/14737175.7.10.1337
pmid:17939771
pmcid:PMC3763932
fatcat:gmqi4zgww5d7bj2cp42i4swxxu
Comparative Multimodal Meta-analysis of Structural and Functional Brain Abnormalities in Autism Spectrum Disorder and Obsessive-Compulsive Disorder
2017
Biological Psychiatry
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Inhibitory control is typically measured in motor and interference inhibition or switching tasks(9). ...
While in Stop, GNG and interference inhibition tasks, a pre-potent motor response has to be inhibited, switching requires, in addition to motor inhibition, reengagement in a different response. ...
-S4) for further details Abbreviations: ASD, autism spectrum disorders; fMRI, functional magnetic resonance imaging; OCD, obsessive compulsive disorder; SD, standard deviation; VBM, voxel-based morphometry ...
doi:10.1016/j.biopsych.2016.10.006
pmid:27887721
fatcat:y6xefxbyj5cqdjut2zxbliacy4
Neuroimaging of cognitive brain function in paediatric obsessive compulsive disorder: a review of literature and preliminary meta-analysis
2012
Journal of neural transmission
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during cognitive task performance. ...
during cognitive task performance. ...
Conflict of interest S. Walitza received speakers honoraria from Eli Lilly, Janssen-Cilag and AstraZeneca in the last five years. The other authors declare no competing financial interests. ...
doi:10.1007/s00702-012-0813-z
pmid:22678698
fatcat:t5s522ezarh6zonidh6eil66hy
Neural correlates of tic severity and cognitive control in children with Tourette syndrome
2007
Brain
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It has been unclear whether TS is associated with cognitive control deficits as well as pure motor control deficits, or whether cognitive deficits are associated with the presence of comorbid conditions ...
Furthermore, little is known about the neural underpinnings of TS in childhood, prior to the long-term effects of medication on brain function. ...
Acknowledgements This study was supported by a Merck Scholarship in the Biology of Developmental Disorders. Additional support for Blythe A. ...
doi:10.1093/brain/awm278
pmid:18056159
fatcat:cpcd7ngucncdxnv6ua5vquhl6y
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