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Test–retest reliability of evoked BOLD signals from a cognitive–emotive fMRI test battery
2012
NeuroImage
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A group of 25 young, healthy volunteers were scanned twice on a 3 T MRI scanner with a mean test-retest interval of 14.6 days. ...
The present study investigated both within-subject and group-level reliability of a combined three-task fMRI battery targeting three systems of wide applicability in clinical and cognitive neuroscience ...
We thank Georg Gron for generously sharing his expertise in fMRI data analysis. Furthermore, we thank Dagmar Gass for her help with data collection. ...
doi:10.1016/j.neuroimage.2012.01.129
pmid:22330316
fatcat:rwr322pjvjd6lgcnrvtcypt2fq
Test-retest reliability of an fMRI paradigm for studies of cardiovascular reactivity
2012
Psychophysiology
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The reliability of fMRI BOLD signal changes in brain areas engaged by the tasks was moderate, and aggregating fMRI BOLD signal changes across the tasks improved testretest reliability metrics. ...
These findings support using these tasks as a battery for fMRI studies of cardiovascular reactivity. ...
Acknowledgments This work was funded by National Institutes of Health Grants HL089850 and HL101421 to Peter J. Gianaros. The authors thank Sara Snyder for her assistance in data collection. ...
doi:10.1111/j.1469-8986.2012.01382.x
pmid:22594784
pmcid:PMC3376244
fatcat:o2r54nenrff37dk7inuevwwbxq
Amygdala habituation: A reliable fMRI phenotype
2014
NeuroImage
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We extracted the amygdala signal decrement across the course of the fMRI run for the two test-retest measurement sessions and compared reliability estimates with previous findings based on mean response ...
To test the task-specificity of this finding, we compared the retest-reliability of amygdala habituation across two different tasks. ...
Conflict of interest Dr. ...
doi:10.1016/j.neuroimage.2014.09.059
pmid:25284303
fatcat:4zraelldvnavpicsnangkc2mpq
Parcellating cortical functional networks in individuals
2015
Nature Neuroscience
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Evaluating Test-retest Reliability and Inter-subject Variability of the Maps Derived from the Iterative Parcellation Intra-subject test-retest reliability of the parcellation results was computed using ...
Current preoperative mapping with task-based fMRI suffers from poor signal-to-noise ratios, limited test-retest reliability and limited overlap with analogous maps derived from invasive cortical stimulation ...
doi:10.1038/nn.4164
pmid:26551545
pmcid:PMC4661084
fatcat:pktkdtzigvfn7fnn2gdvyhyuxq
General Functional Connectivity: shared features of resting-state and task fMRI drive reliable individual differences in functional brain networks
[article]
2018
bioRxiv
pre-print
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Intrinsic connectivity, commonly measured using resting-state fMRI, has emerged as a fundamental feature of the brain. ...
Our work suggests that GFC represents an opportunity to improve the reliability and predictive utility of fMRI for mapping individual differences, and that collection of resting-state and task scans need ...
Eight subjects were removed from our test-156 retest analyses because they had at least one fMRI scan with truncated or missing data. ...
doi:10.1101/330530
fatcat:drygm7p5xzhllopi6g6nq3dgla
The role of fMRI in drug development
2018
Drug Discovery Today
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First, task-based fMRI uses sensory or cognitive stimuli to provoke responses from brain regions or circuits involved in responding to the stimuli. ...
Third, pharmacological MRI (phMRI) records fMRI signals following the administration of pharmacological agents [9] . ...
It grew out of discussions that took place at the 'Functional MRI in Clinical Trials: State of the Science and Future Directions' symposium that was held December 1-3, 2015, at Pennington Biomedical Research ...
doi:10.1016/j.drudis.2017.11.012
pmid:29154758
pmcid:PMC5931333
fatcat:cpfshk7mnvhlpoh5sxamuuvnxu
Brain imaging predictors and the international study to predict optimized treatment for depression: study protocol for a randomized controlled trial
2013
Trials
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Given this is a large proportion of the patient population, pretreatment tests that predict which patients will respond to which types of treatment could save time, money and patient burden. ...
Functional studies include standardized functional magnetic resonance imaging (MRI) with three cognitive tasks (auditory oddball, a continuous performance task, and Go-NoGo) and two emotion tasks (unmasked ...
Contrast images for each cognitive thinking and emotion processing task are generated and will be evaluated for voxel-wise comparisons in BOLD signal for the whole brain. ...
doi:10.1186/1745-6215-14-224
pmid:23866851
pmcid:PMC3729660
fatcat:jelldng4ibfvbnwzilsv3t5uke
The local properties of bold signal fluctuations at rest monitor inhibitory control training in adolescents
2019
Developmental Cognitive Neuroscience
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We focused on the IC training effects on the local properties of functional Magnetic Resonance Imaging (fMRI) signal fluctuations at rest (i.e., Regional Homogeneity [ReHo] and fractional Amplitude of ...
Inhibitory control (IC) plays a critical role in cognitive and socio-emotional development. Short-term IC training improves IC abilities in children and adults. ...
Acknowledgements The study was supported by research grants from the French National Research Agency (ANR-14-CE30-0014-01 APEX) and personal grants from the Fondation pour la Recherche Médicale and Institut ...
doi:10.1016/j.dcn.2019.100664
pmid:31158801
pmcid:PMC6969344
fatcat:z7larx4p3fef7bvx6wm3rk6fhy
Neuroimaging in Psychiatric Pharmacogenetics Research: The Promise and Pitfalls
2013
Neuropsychopharmacology
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Moreover, few studies use pharmacogenetic designs that permit testing of genotype drug effects. As a result of these limitations, few findings have been fully replicated. ...
Neuroimaging may provide a more sensitive early measure of treatment response in genetically defined patient groups, and could facilitate development of novel therapies based on an improved understanding ...
The issue of test-retest reliability is another consideration; some cognitive fMRI measures (such as the n-back working memory task) provide very good within-subject reproducibility, whereas others (such ...
doi:10.1038/npp.2013.152
pmid:23793356
pmcid:PMC3799069
fatcat:qhapaiqufzerfortgxxujxyjme
Stroop Performance in Normal Control Subjects: An fMRI Study
2002
NeuroImage
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In an attempt to clarify regional signal intensity changes, which may accompany the performance of the Stroop Color-Word task, healthy subjects were imaged using the fMRI BOLD technique while performing ...
a modified version of the task. ...
Considered one of the most reliable psychometric tests (Jensen et al., 1965; Uechi, 1972) , and found to remain relatively unaffected by test-retest situations (MacLeod, 1991) , the Stroop Color-Word ...
doi:10.1006/nimg.2002.1089
pmid:12030821
fatcat:bv2gfhpnmrf2vlkfgujpwimvau
Performing group-level functional image analyses based on homologous functional regions mapped in individuals
2019
PLoS Biology
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Here, we reliably identified a set of discrete, homologous functional regions in individuals to improve intersubject alignment of fMRI data. ...
We demonstrated that aligning task-fMRI data using the regions derived from resting state fMRI may lead to increased statistical power of task-fMRI analyses. ...
A battery of behavioral tests was performed by each participant. ...
doi:10.1371/journal.pbio.2007032
pmid:30908490
pmcid:PMC6448916
fatcat:cpwbevbujbgs7k26awxwzcvrni
Alterations in the neural circuitry for emotion and attention associated with posttraumatic stress symptomatology
2009
Psychiatry Research : Neuroimaging
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In the present study, combat veterans with PTSD symptomatology engaged in an emotional oddball task while undergoing functional magnetic resonance imaging (fMRI). ...
Participants discriminated infrequent target stimuli (circles) from frequent standards (squares) while emotional and neutral distractors were presented infrequently and irregularly. ...
of Mental Health Grant K23 MH073091. ...
doi:10.1016/j.pscychresns.2008.05.005
pmid:19237269
pmcid:PMC2692949
fatcat:am4xlhl3yfflxauczwuk2ny4ne
Genetic psychophysiology: Advances, problems, and future directions
2014
International Journal of Psychophysiology
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function including resting-state brain oscillations, functional connectivity, and event-related neural activity in a variety of cognitive and emotion processing tasks, as well as peripheral psychophysiological ...
The main goals of genetic psychophysiology are to elucidate the neural pathways and mechanisms mediating genetic influences on cognition and emotion, identify intermediate brain-based phenotypes for psychopathology ...
Acknowledgments Supported by NIH grants DA027096 and DA01889 from the National Institute on Drug Abuse. The author thanks Tara Tinnin, M.S.W. for her help with the preparation of the manuscript. ...
doi:10.1016/j.ijpsycho.2014.04.003
pmid:24739435
pmcid:PMC4077936
fatcat:gglunoyv2rbzrknw4uuslznvi4
Resting-State Functional Brain Connectivity Best Predicts the Personality Dimension of Openness to Experience
2018
Personality Neuroscience
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Across all results (test/retest; three denoising strategies; two alignment schemes; three models), Openness to experience emerged as the only reliably predicted personality factor. ...
After regressing out potential confounds (such as age, sex, handedness, and fluid intelligence), we used a cross-validated framework, together with test-retest replication (across two sessions of resting-state ...
Conflicts of Interest: The authors have nothing to disclose. Supplementary Material: To view supplementary material for this article, please visit https://doi.org/10.1017/pen.2018.8. ...
doi:10.1017/pen.2018.8
pmid:30225394
pmcid:PMC6138449
fatcat:ulupvsesgzc2tkmvjssvqcsq3i
Brain regions implicated in inhibitory control and appetite regulation are activated in response to food portion size and energy density in children
2016
International Journal of Obesity
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METHODS AND DESIGN: Blood-oxygen-level-dependent (BOLD) fMRI was completed in 36 children (ages 7-10 years) after a 2-h fast while viewing food images at two levels of PS (Large PS, Small PS) and two levels ...
CONCLUSION: This is the first fMRI study to report increased activation to large portions in a brain region that is involved in inhibitory control. ...
Finally, preliminary test-retest data (n = 5) for Large PS vs Small PS in the right IFG demonstrated an intraclass correlation of 0.72, indicating good reliability of our paradigm, but further analyses ...
doi:10.1038/ijo.2016.126
pmid:27457416
fatcat:fky7w5pjy5byfck6vbuhrjui5q
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