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Wada You Do for Language: fMRI and Language Lateralization?
2010
Epilepsy Currents
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This was compared with the Wada procedure using both whole-brain and midline exclusion-based analyses. ...
This could affect the clinical validity of fMRI for presurgical language lateralization. The current study sets out to identify if a systematic effect of lesion type and localization on fMRI exists. ...
Given that fMRI is dependent on cerebral blood flow, Wellmer et al. explored the role of lesions on laterality. ...
doi:10.1111/j.1535-7511.2010.01365.x
pmid:20697501
pmcid:PMC2912538
fatcat:3qqr2aefrnabdafixwqawfhsaa
Individual variability in functional connectivity architecture of the mouse brain
[article]
2020
bioRxiv
pre-print
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The data also revealed stable individual features, which create a unique fingerprint that allow identification of individual mice from the group. ...
The functional organization of brain networks can be estimated using fMRI by examining the coherence of spontaneous fluctuations in the fMRI signal, a method known as resting-state functional connectivity ...
A major challenge in precision fMRI is the need of large amount of data per subject ranging from 50 to 100 minutes based on the studied brain structure 37 . ...
doi:10.1101/2020.03.16.993709
fatcat:q4pozmt64nfbjltuky3gf4bhm4
Toward literature-based feature selection for diagnostic classification: a meta-analysis of resting-state fMRI in depression
2014
Frontiers in Human Neuroscience
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Multiple reports of resting state fMRI in MDD describe group effects. ...
Coordinates extracted from the original reports were assigned to two categories based on directionality of findings. ...
classification efforts based on rs-fMRI data. ...
doi:10.3389/fnhum.2014.00692
pmid:25309382
pmcid:PMC4159995
fatcat:modg4tctwndo7l44yvi6huwikq
Resting State fMRI for Motor Cortex Mapping in Children with Epilepsy
[article]
2022
medRxiv
pre-print
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We defined a motor component selection process based on Discriminability Index-based Component Identification (DICI) score, resulting from comparing binarized component to the Human Motor Area Template ...
Our results shows the sensitivity and reproducibility of an automated motor mapping based on ICA analysis of rsfMRI in children with epilepsy. ...
In EHI, Laterality Quotient (LQ) is calculated based on counting answers to each question as below: then volume-based nonlinearly spatially normalized to the MNI152Lin2009cAsym standard space. ...
doi:10.1101/2022.02.04.22270184
fatcat:hxm73im7xnh3xnehldd2hitfre
Neuroimaging Strategies Addressing Challenges in Using fMRI for the Children with Cerebral Palsy
2018
Journal of Behavioral and Brain Science
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Functional connectivity and brain activity mapping were obtained based on anatomical landmarks, and laterality indices were developed based on the obtained functional-connectivity map to specify a dominant ...
What this paper adds: 1) Presents a real-time imaging protocol for fMRI to help children complete scanning; 2) Presents an fMRI methodology to obtain laterality indices in the presence of abnormal anatomy ...
Comparing the average motion indices within the groups, TDC subjects (blue) moved their heads more than the CP group (red), as the scanning sessions approached towards the end (time lapse (t) = 298 -300 ...
doi:10.4236/jbbs.2018.85019
fatcat:rhv5qsf2z5ho3lotwhk7jrxfg4
Defining language networks from resting-state fMRI for surgical planning-a feasibility study
2013
Human Brain Mapping
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First, group independent component analysis (ICA) was applied on the training group (14 subjects) to identify group level language components based on expert rating results. ...
) based on spatial similarity analysis. ...
National Institute of Biomedical Imaging and Bioengineering of the National Institutes of Health; Contract grant numbers: R21NS075728, P41EB015898, P41RR019703, P01CA067165; Contract grant sponsor: The Brain ...
doi:10.1002/hbm.22231
pmid:23288627
pmcid:PMC3683367
fatcat:qeiux7wc7jbgtjkva2towunn2e
Individual variability in functional connectivity architecture of the mouse brain
2020
Communications Biology
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We found that the mouse connectome is also characterized by stable individual features that support connectivity-based identification. ...
AbstractIn recent years precision fMRI has emerged in human brain research, demonstrating characterization of individual differences in brain organization. ...
based on coherent spontaneous fluctuations in the fMRI signal [1] [2] [3] . ...
doi:10.1038/s42003-020-01472-5
pmid:33277621
fatcat:hos6nstykvfh3gu7btznbl7dba
Disconnected brains: What is the role of fMRI in connectivity research?
2009
International Journal of Psychophysiology
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We conclude that fMRI has made significant contributions towards our understanding of the brain in terms of neural systems but that the conclusions drawn from its application in the sphere of autism research ...
We discuss how alternative techniques such as EEG/MEG may address the limitations of fMRI in assessing brain connectivity, and additionally consider the potential of multimodal approaches. ...
Conclusion Perhaps one of the main contributions of fMRI is the theoretical shift towards understanding the brain in terms of neural network/ systems. ...
doi:10.1016/j.ijpsycho.2008.12.015
pmid:19530277
fatcat:q3hh54ucarbilmus6f2l7dx5ry
Tumor location and reduction in functional MRI estimates of language laterality
2021
Journal of Neurosurgery
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Brain tumors located close to the language cortex may distort functional MRI (fMRI)-based estimates of language dominance. ...
The authors hypothesized tumor bias based on laterality estimates independent of confounders and that the effects are the greatest for tumors proximal to Broca's area. ...
This research has received financial support from the National Institute on Deafness and Other Communication Disorders, grant no. K01DC016904. ...
doi:10.3171/2020.9.jns202036
pmid:33799298
pmcid:PMC8909357
fatcat:5kqjc46rubel7fhbonom6tvrnm
Similar cortical correlates underlie visual object identification and orientation judgment
2005
Neuropsychologia
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Using fMRI, we addressed the question whether these routes are exclusively involved in either object recognition or spatial representation. ...
Visual object perception has been suggested to follow two different routes in the human brain: a ventral, view-invariant occipital-temporal route processes object identity, whereas a dorsal, view-dependent ...
We would like to thank Hans-Joerg Mast for technical assistance with the data acquisition and Kiley Seymour for fruitful comments on the manuscript. ...
doi:10.1016/j.neuropsychologia.2005.03.015
pmid:16243054
fatcat:fc7yhc67nbcubpcajaynvx7jre
Face-selective Activation in a Congenital Prosopagnosic Subject
2003
Journal of Cognitive Neuroscience
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In this study, we used fMRI to compare the brain activity elicited by faces in a congenital prosopagnosic subject (YT) relative to a control group of 12 subjects in an attempt to shed more light on the ...
nature of the brain mechanisms subserving face identification. ...
The data reported in this experiment have been deposited in The fMRI Data Center (http://www.fmridc.org). The accession number is 2-2002-113AH. ...
doi:10.1162/089892903321593135
pmid:12729493
fatcat:2zik6kvi3rb7fbnwtsb64tznm4
Prior Neurosurgery Decreases fMRI Estimates of Language Laterality in Patients with Gliomas within Anterior Language Sites
2021
Journal of Clinical Medicine
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The impact of previous surgery on the assessment of language dominance with preoperative fMRI remains inconclusive in patients with recurrent brain tumors. ...
We calculated fMRI language dominance with laterality indices using a whole-brain and region of interest approach (ROI; Broca's and Wernicke's area). ...
Glioma Identification Individual glioma borders were based on the changes in signal intensity on T2. ...
doi:10.3390/jcm10071491
pmid:33916728
pmcid:PMC8038372
fatcat:dhpi5b3errbw3oir5xwdbslhqy
Use of Network Analysis to Establish Neurosurgical Parameters in Gliomas and Epilepsy
2016
Neurologia medico-chirurgica
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One particular challenge that is close to realization is using fMRI for the identification of sensorimotor-and language-dominant areas during a task-free resting state. ...
In this review, we describe recent developments in network analysis using resting state fMRI related to factors in glioma and epilepsy surgery: the identification of functionally dominant areas, evaluation ...
were highly consistent with those using datasets of task-based fMri. 32) identification of the language area in the glioma-distorted brain is more challenging, as its location is known to be more variable ...
doi:10.2176/nmc.ra.2015-0302
pmid:26923836
pmcid:PMC4831941
fatcat:a7qq7efwufd6dlokg3tipuvs2q
Neural Correlates of Gender Face Perception in Transgender People
2020
Journal of Clinical Medicine
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To date, MRI studies focused on brain sexual dimorphism have not explored the presence of specific neural patterns in gender dysphoria (GD) using gender discrimination tasks. ...
Considering the central role of body image in GD, the present study aims to evaluate brain activation patterns with 3T-scanner functional MRI (fMRI) during gender face discrimination task in a sample of ...
This convincement is based not only on the contrast we used, but also on the lack of additional areas in the other between groups' analyses. ...
doi:10.3390/jcm9061731
pmid:32503300
pmcid:PMC7356844
fatcat:6ewnnpwmrrdibadz3dxczzhigq
Left-lateralization of resting state functional connectivity between the presupplementary motor area and primary language areas
2017
NeuroReport
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We tested the hypothesis that by seeding the pre-SMA, one would be able to establish language laterality to known cortical and sub-cortical language areas. ...
We provide rfMRI evidence that the functional connectivity of the pre-SMA is involved in semantic language processing and that this identification may be useful for establishing language laterality in ...
task-based fMRI. ...
doi:10.1097/wnr.0000000000000783
pmid:28538516
pmcid:PMC5466468
fatcat:5frxzow6fbci3jx4zmi5vcoiia
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