Despiking fmri study

Functional Connectivity of Human Striatum: A Resting State ...

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Functional Connectivity of Human Striatum: A Resting State fMRI Study A. Di Martino1,2, A. Scheres3, ... a functional magnetic resonance imaging examination during rest. ... and 3) despiking (squashing of extreme time series outliers using a hyperbolic tangent function). Preprocessing

Functional Connectivity of Human Striatum: A Resting State ...

Reporting of Resting-State Functional Magnetic Resonance ...

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COMMUNICATION Reporting of Resting-State Functional Magnetic Resonance Imaging Preprocessing Methodologies Syed Hamza Waheed,1 Saeedeh Mirbagheri,2 Shruti Agarwal,2 Arash Kamali,2 Noushin Yahyavi-Firouz-Abadi,2 Ammar Chaudhry,2 Michael DiGianvittorio,2 Sachin K. Gujar,2 Jay J. Pillai,2,* and Haris I. Sair2,* Abstract

Reporting of Resting-State Functional Magnetic Resonance ...

A Resting-State fMRI Study - ResearchGate

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Altered Functional Connectivity in Essential Tremor A Resting-State fMRI Study Julia´n Benito-Leo´n, MD, PhD, Elan D. Louis, MD, MSc, Juan Pablo Romero, MD, PhD,

A Resting-State fMRI Study - ResearchGate

Effective Preprocessing Procedures Virtually Eliminate ...

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Effective Preprocessing Procedures Virtually Eliminate Distance-Dependent Motion ... Part of the appeal of RS FMRI is the relative ease with which the data can be acquired.

Effective Preprocessing Procedures Virtually Eliminate ...

Building an EEG-fMRI Multi-Modal Brain Graph: A Concurrent ...

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In the present study, concurrent EEG-fMRI resting state data collected during eyes open and eyes closed conditions are used to build multi-modal brain graphs. FMRI data are decomposed with group ICA into ICNs and corresponding time courses.

Building an EEG-fMRI Multi-Modal Brain Graph: A Concurrent ...

Journal of Applied Mathematics - Hindawi

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Journal of Applied Mathematics is a peer-reviewed, Open Access journal devoted to the publication of original research papers and review articles in all areas of applied, computational, and industrial mathematics. ... Five types of nuisance regression models were compared in this study. ... Despiking FMRI data at the subject level is ...

Journal of Applied Mathematics - Hindawi

On the plurality of (methodological) worlds: estimating ...

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A recent survey of fMRI methods shows that methodological decisions are highly variable from study to study (Carp, 2012). Across 241 published fMRI studies, authors reported using 32 unique software packages (e.g., SPM 2, FSL 3.3) and 207 unique combinations of design and analysis steps (e.g., spatial normal-ization, head motion regression).

On the plurality of (methodological) worlds: estimating ...

Fractional amplitude of low-frequency fluctuation changes ...

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Resting-state functional magnetic resonance imaging (fMRI) is also a valuable tool in investigating spontaneous brain activity abnormalities in pathological conditions. In the present study, we examined the amplitude of low-frequency fluctuations (ALFF) and fractional (f)ALFF changes in …

Fractional amplitude of low-frequency fluctuation changes ...

A wavelet method for modeling and despiking motion ...

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A wavelet method for modeling and despiking motion artifacts from resting-state fMRI time series ... Limitations and areas of further study. One potential drawback of despiking time series independently at a voxel level is in the estimation of degrees of freedom. ... T. Espeseth, L.T. WestlyeNetwork-specific effects of age and in-scanner ...

A wavelet method for modeling and despiking motion ...

Functional Connectivity of Human Striatum: A Resting State ...

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Ann Reiss JP, Campbell DW, Leslie WD, Paulus MP, Stroman PW, Polimeni JO, Neurol. 55:522--529. Malcolmson KA, Sareen J. 2005. The role of the striatum in implicit Lepsien J, Nobre AC. 2006. Cognitive control of attention in the human learning: a functional magnetic resonance imaging study.

Functional Connectivity of Human Striatum: A Resting State ...

Functional Connectivity of Human Striatum: A Resting State ...

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Evidence-Based Complementary and Alternative Medicine (eCAM) is an international peer-reviewed, Open Access journal that seeks to understand the sources and to encourage rigorous research in this new, yet ancient world of complementary and alternative medicine.

Functional Connectivity of Human Striatum: A Resting State ...

Evidence-Based Complementary and Alternative Medicine

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To examine the developmental effects of potential rewards and losses on cognitive control, we performed an incentivized AS fMRI study using an accelerated longitudinal design. The study sample consisted of individuals ranging from 10- to 20-years of age, with each being sampled two or three times at approximately 15-month intervals.

Evidence-Based Complementary and Alternative Medicine

Effects of incentives, age, and behavior on brain ...

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CORTEX IN FABRY'S DISEASE: AN RS-FMRI STUDY Supplementary Materials . slice timing correction, and temporal despiking with a hyperbolic tangent squashing function to limit outlier values, followed by band-pass filtering (0.008 Hz < f < 0.09 Hz) and spatial smoothing

Effects of incentives, age, and behavior on brain ...

ALTERATIONS OF FUNCTIONAL CONNECTIVITY OF THE MOTOR …

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Functional magnetic incentivized AS fMRI study using an accelerated longitu- 117 57 resonance imaging (fMRI) studies have shown devel- dinal design. ... despiking using AFNI’s 3dDespike, slice tim- linear and polynomial models of development against our 305 247 ing correction, motion correction using mcflirt (Jenkinson primary model of ...

ALTERATIONS OF FUNCTIONAL CONNECTIVITY OF THE MOTOR …

Effects of incentives, age, and behavior on brain ...

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10/22/2017 · Introduction to the theory and motivations behind wavelet despiking. For more information, please see www.brainwavelet.org. Paper reference: Patel et …

Effects of incentives, age, and behavior on brain ...

Introduction to wavelet despiking - YouTube

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In response to the problem of in-scanner motion for the study of functional connectiv- ity, there has been a proliferation of techniques geared towards mitigating motion artifacts (Caballero-Gaudes&Reynolds,2017;Murphy,Birn,&Bandettini,2013).Confoundregres-

Introduction to wavelet despiking - YouTube

Evaluation of confound regression strategies for the ...

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1/16/2017 · For rsfMRI, we need tissue segmentation of the T1w images and registration to the EPI space. This can be achieved using the Bpipe, then the CIVET pipeline. If we can join this, it would be easy to extract the GM, WM, CSF and Brain masks, convert …

Evaluation of confound regression strategies for the ...

Resting State fMRI Preprocessing Pipeline (work in ...

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The functional role of premotor areas during mental rotation - an event-related functional magnetic resonance imaging study. Neuroimage, 36:1374-1386, 2007. Cunnington R, ... Effect of despiking on fMRI results in groups showing differing head motion behavior. 21st Meeting of the Organization for Human Brain Mapping, HBM – Honolulu, 2015.

Resting State fMRI Preprocessing Pipeline (work in ...

Christian Windischberger » fmri.at | neuroimaging ...

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FMRI Clustering in AFNI: False Positive Rates Redux ... threshold; as such, we show how results of their study provide useful suggestions for FMRI study design and analysis, rather than simply a catastrophic downgrading of the field’s earlier results. ... preprocessing (e.g., despiking, using 3dREMLfit with generalized least squares and ARMA(1,1)

Christian Windischberger » fmri.at | neuroimaging ...

FMRI Clustering in AFNI: False Positive Rates Redux - arXiv

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There has been a rapid increase in resting-state functional magnetic resonance imaging (rs-fMRI) literature in the past few years. We aim to highlight the variability in the current reporting practices of rs-fMRI acquisition and preprocessing parameters.

FMRI Clustering in AFNI: False Positive Rates Redux - arXiv

Reporting of Resting-State Functional Magnetic Resonance ...

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Effect of despiking on fMRI results in groups showing differing head motion behavior. 21st Meeting of the Organization for Human Brain Mapping, HBM – Honolulu, 2015. Sladky R, Hahn A, Stürkat IL, Hoffmann A, Kranz G, Tik M, Seiger R, Pfabigan D, Lanzenberger R, Lamm C, Windischberger C. .

Reporting of Resting-State Functional Magnetic Resonance ...

André Hoffmann » fmri.at | neuroimaging & stimulation

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3/11/2019 · The fMRI data pre-processing proceeded according to our previous study 28,44,45,46,47,48. The pre-processing included despiking, slice-timing, head …

André Hoffmann » fmri.at | neuroimaging & stimulation

Frequency specific contribution of intrinsic connectivity ...

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time points of movie-watching, and there were 130 times points of RS-FMRI data. Preprocessing with afni_proc.py in AFNI4 included (see full details5): despiking, slice timing and motion correction, EPI/anatomical alignment, nonlinear registration to standard space

Frequency specific contribution of intrinsic connectivity ...

Movie vs rest: a comparison of resting state and ...

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Sample of young adult men from longitudinal study of low-income families in Pittsburgh ... P.S., Vértes, P.E., Ersche, K.D., Suckling, J., Bullmore, E.T., 2014. A wavelet method for modeling and despiking motion artifacts from resting-state fMRI time series. ... and sensitivity of motion correction strategies for resting-state functional MRI. ...

Movie vs rest: a comparison of resting state and ...

Resting State: Preprocessing & Analysis Discussion

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In the present study, we systematically explore a number of important confounds and the effects of different methods to address them, using two resting‐state fMRI sessions from a large sample of adults uniformly spread across the adult lifespan.

Resting State: Preprocessing & Analysis Discussion

Challenges in measuring individual differences in ...

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In another functional magnetic resonance imaging (fMRI) study, patients with SSD showed a dissociation pattern between the anterior and posterior DMN, including the bilateral superior medial prefrontal cortex and the left precuneus .

Challenges in measuring individual differences in ...

Brain Functional Connectivity in Patients With Somatic ...

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A human brain atlas derived via n-cut parcellation of resting-state and task-based fMRI data George Andrew James a,⁎, Onder Hazaroglu b, Keith A. Bush b a Psychiatric Research Institute, University of Arkansas for Medical Sciences, Little Rock, AR b Department of Computer Science, University of Arkansas at Little Rock, Little Rock, AR article info abstract ...

Brain Functional Connectivity in Patients With Somatic ...

Magnetic Resonance Imaging - psychiatry.uams.edu

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A wavelet method for modeling and despiking motion artifacts from resting-state fMRI time series @inproceedings{Patel2014AWM, title=A wavelet method for modeling and despiking motion artifacts from resting-state fMRI time series, author={Ameera X. Patel and Prantik Kundu and Mikail Rubinov and P. Simon Jones and Petra E. V\'ertes and Karen D. Ersche and John Suckling and Edward T. …

Magnetic Resonance Imaging - psychiatry.uams.edu

A wavelet method for modeling and despiking motion ...

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The common pictorial representation of k-space as a "galaxy" perpetuates the mystery. Each "star" in k-space is just a data point derived directly from the MR signal.The brightness of each star represents the relative contribution of that star's unique spatial frequency to the final image.

A wavelet method for modeling and despiking motion ...

k-space - Questions and Answers in MRI

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Xavier Caseras, David Mataix-Cols, Vincent Giampietro, Katharine A. Rimes, Michael Brammer, Fernando Zelaya, Trudie Chalder and Emma L. Godfrey, Probing the Working Memory System in Chronic Fatigue Syndrome: A Functional Magnetic Resonance Imaging Study Using the n-Back Task, Psychosomatic Medicine, 10.1097/01.psy.0000242770.50979.5f, 68, 6 ...

k-space - Questions and Answers in MRI

Methods for diagnosis and treatment of stimulus‐correlated ...

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Right panel shows thepercentage of data left across all subjects in cohort 1 for the top three box plots in the left panel, compared to the percentage of spike-containing frames successfully identified. - "A wavelet method for modeling and despiking motion artifacts from resting-state fMRI time series"

Methods for diagnosis and treatment of stimulus‐correlated ...

A wavelet method for modeling and despiking motion ...

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In this exploratory study, we observed selective impairments of RSNs in OT patients. This and other future resting-state fMRI studies might provide a novel method to understand the pathophysiological mechanisms of motor and nonmotor features of OT.

A wavelet method for modeling and despiking motion ...

Resting state functional MRI reveals abnormal network ...

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8/8/2018 · A resting-state functional magnetic resonance imaging (rs-fMRI) study supported this point (Luo et al., 2015a): stronger functional connectivity within regions of the DMN (bilateral medial pre-frontal cortex, bilateral posterior cingulate cortex and left inferior parietal cortex) was associated with lower levels of happiness and higher ...

Resting state functional MRI reveals abnormal network ...

Brain networks of happiness: dynamic functional ...

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The aim of the present study was to review head motion artifact with RS-fMRI, individual and patient population differences in head motion, and correction methods for head motion artifact with RS-fMRI.

Brain networks of happiness: dynamic functional ...

Head Motion and Correction Methods in Resting-state ...

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8/22/2018 · Over-engagement of the mesolimbic dopamine system is thought to enhance motivation in adolescents. Whereas human neuroimaging has characterized event-evoked responses of the mesolimbic system in adolescents, research has yet to characterize state-dependent engagement (i.e., seconds to minutes) of this system in goal-relevant contexts. In the current longitudinal study, we …

Head Motion and Correction Methods in Resting-state ...

Age-Related Trajectories of Functional Coupling between ...

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5/31/2016 · The human voice provides a wealth of social information, including who is speaking. A salient voice in a child’s life is mother's voice, which guides social function during development. Here we identify brain circuits that are selectively engaged in children by their mother’s voice and show that this brain activity predicts social communication abilities.

Age-Related Trajectories of Functional Coupling between ...

Neural circuits underlying mother’s voice perception ...

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based fMRI. •Logistic regression of resting state fMRI using a subset of DCES results can identify eloquent cortical areas better than task-based fMRI. •These results validate the use of these techniques for defining some functional networks, though clearly some improvement is needed (especially for language networks for which task-based fMRI

Neural circuits underlying mother’s voice perception ...

Identification of eloquent cortical areas using resting ...

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11/30/2018 · Striatal dopamine deficits predict reductions in striatal functional connectivity in major depression: a concurrent 11 C-raclopride positron emission …

Identification of eloquent cortical areas using resting ...

Striatal dopamine deficits predict reductions in striatal ...

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8/1/2018 · Posterior-medial and anterior-temporal cortical networks interact with the hippocampus and are thought to distinctly support episodic memory. We causally tested this putative distinction by determining whether targeted noninvasive stimulation could selectively affect neural signals of memory formation within the posterior-medial network.

Striatal dopamine deficits predict reductions in striatal ...

Selective and coherent activity increases due to ...

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I have uploaded the original results of this study on neurovault. It is currently on a private project and I am checking if this fMRI study had the proper ethical permission to make this type of group level results openly available. Bear with me but do get in touch if you want to get access to …

Selective and coherent activity increases due to ...

GitHub - Remi-Gau/McGurk_prior_code: Code related to the ...

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This example uses the following dataset: + 'digit' A participant made finger pressed with the index and middle finger of the right hand during 4 runs in an fMRI study. Each run was divided in 4 blocks with presses of each finger and analyzed with the GLM, resulting in 2*4*4=32 t-values

GitHub - Remi-Gau/McGurk_prior_code: Code related to the ...
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