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The relationship between motor deficit and hemisphere activation balance after stroke: A 3T fMRI study

Cinzia Calautti, Marcello Naccarato, Peter S. Jones, Nikhil Sharma, Diana D. Day, Adrian T. Carpenter, Edward T. Bullmore, Elizabeth A. Warburton, Jean-Claude Baron
2007 NeuroImage  
Although this may be adaptive, the relationship between the severity of motor deficit and the hemisphere activation balance for the four major cortical motor areas has not been systematically studied.  ...  Functional imaging during movement of the hand affected by a stroke has shown excess activation of the contralesional motor network, implying less physiological hemisphere activation balance.  ...  Furthermore, the relationship between hemisphere activation balance and motor deficit for two other major cortical areas, namely the primary sensory cortex (S1), and the supplementary motor area (SMA)  ... 
doi:10.1016/j.neuroimage.2006.08.026 pmid:17045490 fatcat:hnydmp5rwberdirsajo2aumvdy

The relationship between motor deficit and primary motor cortex hemispheric activation balance after stroke: longitudinal fMRI study

C. Calautti, P. S. Jones, M. Naccarato, N. Sharma, D. J. Day, E. T. Bullmore, E. A. Warburton, J.-C. Baron
2010 Journal of Neurology, Neurosurgery and Psychiatry  
The relationship between motor deficit and primary motor cortex hemispheric activation balance after stroke: longitudinal fMRI study.  ...  Abstract Background: In the chronic stage of stroke, previous work has shown that the worse the hand motor deficit the greater the shift of primary motor cortex (M 1 ) activation towards the contralesional  ...  Thus, fMRI studies in chronic stroke patients with variably recovered motor deficit have reported a significant correlation between the degree of hand motor impairment and the LI for the primary motor  ... 
doi:10.1136/jnnp.2009.190512 pmid:20392975 fatcat:jjl3vvzygnfotno2qbcclzg3o4

Assessment of Inter-Hemispheric Imbalance Using Imaging and Noninvasive Brain Stimulation in Patients With Chronic Stroke

David A. Cunningham, Andre Machado, Daniel Janini, Nicole Varnerin, Corin Bonnett, Guang Yue, Stephen Jones, Mark Lowe, Erik Beall, Ken Sakaie, Ela B. Plow
2015 Archives of Physical Medicine and Rehabilitation  
In patients with chronic motor deficits of the upper limb, fMRI may serve to mark perceived disability and transcallosal influence between hemispheres.  ...  . fMRI studied whether cortical activation during the movement of the paretic hand was lateralized to the ipsilesional or to the contralesional primary motor cortex (M1), premotor cortex (PMC), and supplementary  ...  stroke it is believed that hand deficits persist because of an imbalance between the ipsilesional and the contralesional hemisphere activity  ... 
doi:10.1016/j.apmr.2014.07.419 pmid:25194451 pmcid:PMC4348350 fatcat:7a4osyuayjaxfli5mawyxzwq6q

Neural effective connectivity explains subjective fatigue in stroke

Sasha Ondobaka, William De Doncker, Nick Ward, Annapoorna Kuppuswamy
2021 Brain  
We suggest that the balance in inter-hemispheric inhibitory effects between primary motor regions can explain subjective post-stroke fatigue.  ...  In a multiple regression we used the balance in inhibitory connectivity between homologue regions in M1 as the main predictor, and have included lesioned hemisphere, RMT and levels of depression as additional  ...  Acknowledgements We would like to acknowledge the help of Ms Cora Burke and Ms Isobel Turner who were involved in data collection of fMRI data.  ... 
doi:10.1093/brain/awab287 pmid:34791073 pmcid:PMC8967104 fatcat:np5nizdycjczrifsfa5kxkamt4

A Review of Transcranial Magnetic Stimulation and Multimodal Neuroimaging to Characterize Post-Stroke Neuroplasticity

Angela M. Auriat, Jason L. Neva, Sue Peters, Jennifer K. Ferris, Lara A. Boyd
2015 Frontiers in Neurology  
The severity of motor deficits indexed using TMS has been linked to the magnitude of activity imbalance between the sensorimotor cortices.  ...  In this paper, we will provide a narrative review of data from studies utilizing DTI, MRS, fMRI, EEG, and brain stimulation techniques focusing on TMS and its combination with uni-and multimodal neuroimaging  ...  Another recent study combined fMRI, DTI, and TMS in the assessment of hemispheric balance between ipsilesional and contralesional cortices (229) .  ... 
doi:10.3389/fneur.2015.00226 pmid:26579069 pmcid:PMC4625082 fatcat:p252vs44nfhhhnrttlfe34eccu

White Matter Integrity Is a Stronger Predictor of Motor Function Than BOLD Response in Patients With Stroke

Mingguo Qiu, Warren G. Darling, Robert J. Morecraft, Chun Chun Ni, Justin Rajendra, Andrew J. Butler
2011 Neurorehabilitation and Neural Repair  
of the cortical motor system after stroke.  ...  This study explores the relationship between upper extremity motor function, white matter integrity, and BOLD response of cortical motor areas. Methods.  ...  Funding The author(s) disclosed receipt of the following financial support for the research and/or authorship of this article: This study was sponsored by the National Institutes of Health (Grant Number  ... 
doi:10.1177/1545968310389183 pmid:21357529 pmcid:PMC3579586 fatcat:qxxmtlmbtjf3nmrucnhdpn22mm

Individual prediction of chronic motor outcome in the acute post-stroke stage: Behavioral parameters versus functional imaging

Anne K. Rehme, Lukas J. Volz, Delia-Lisa Feis, Simon B. Eickhoff, Gereon R. Fink, Christian Grefkes
2015 Human Brain Mapping  
In conclusion, multivariate decoding of fMRI data with SVM early after stroke enables a robust prediction of motor recovery.  ...  To this end, twenty-one first-ever stroke patients with hand motor deficits participated in an fMRI hand motor task in the first few days post-stroke.  ...  CG and GRF are supported by the University of Cologne Emerging Groups Initiative (CONNECT group) implemented into the Institutional Strategy of the University of Cologne and the German Excellence Initiative  ... 
doi:10.1002/hbm.22936 pmid:26381168 pmcid:PMC4619153 fatcat:y43zm2cydncwfnm66jqvubbuoa

Disruptions of network connectivity predict impairment in multiple behavioral domains after stroke

Joshua Sarfaty Siegel, Lenny E. Ramsey, Abraham Z. Snyder, Nicholas V. Metcalf, Ravi V. Chacko, Kilian Weinberger, Antonello Baldassarre, Carl D. Hacker, Gordon L. Shulman, Maurizio Corbetta
2016 Proceedings of the National Academy of Sciences of the United States of America  
We measured resting functional connectivity (FC), lesion topography, and behavior in multiple domains (attention, visual memory, verbal memory, language, motor, and visual) in a cohort of 132 stroke patients  ...  Deficits following stroke are classically attributed to focal damage, but recent evidence suggests a key role of distributed brain network disruption.  ...  This study was supported by National Institute of Child Health and Human Development Health Award 5R01HD061117 (to M.C.), National Institute of Neurologic Disorders and Stroke (P30 NS048056 to A.Z.S.),  ... 
doi:10.1073/pnas.1521083113 pmid:27402738 pmcid:PMC4968743 fatcat:2hdsfy2m3rfhho6ona6lkvboky

Longitudinal Brain Functional Connectivity Changes of the Cortical Motor-Related Network in Subcortical Stroke Patients with Acupuncture Treatment

Yongxin Li, Ya Wang, Chenxi Liao, Wenhua Huang, Ping Wu
2017 Neural Plasticity  
The neurological deficit scores (NDS) and resting-state functional MRI data were collected before and after treatment.  ...  Moreover, a significant correlation between the percent changes of NDS and the pretreatment FC values of bilateral primary motor cortex (M1) in all patients was found.  ...  Acknowledgments This research received funding from the National Natural Science Foundation of China (no. 81601483, no. 81072864, and no. 61427807) as well as a support by the National Natural Science  ... 
doi:10.1155/2017/5816263 pmid:29375914 pmcid:PMC5742470 fatcat:4eq53rtkb5a3hm7izcocamfqie

Interhemispheric Cerebral Blood Flow Balance during Recovery of Motor Hand Function after Ischemic Stroke—A Longitudinal MRI Study Using Arterial Spin Labeling Perfusion

Roland Wiest, Eugenio Abela, John Missimer, Gerhard Schroth, Christian W. Hess, Matthias Sturzenegger, Danny J. J. Wang, Bruno Weder, Andrea Federspiel, Felix Schlachetzki
2014 PLoS ONE  
Objective: To quantify longitudinal CBF changes using arterial spin labeling MRI (ASL) and interhemispheric balance within the cortical sensorimotor network and to assess their relationship with motor  ...  Unilateral ischemic stroke disrupts the well balanced interactions within bilateral cortical networks. Restitution of interhemispheric balance is thought to contribute to post-stroke recovery.  ...  Acknowledgments We thank our patients and their caregivers for participating in our study. Author Contributions  ... 
doi:10.1371/journal.pone.0106327 pmid:25191858 pmcid:PMC4156327 fatcat:pwepliwd7rg4nm2a3rlzkpolcy

Magnetic Resonance Imaging to Visualize Stroke and Characterize Stroke Recovery: A Review

Bradley J. MacIntosh, Simon J. Graham
2013 Frontiers in Neurology  
Here we provide a basic review of MRI physical principles and applications for assessing stroke, looking toward the future role MRI may play in improving stroke rehabilitation methods and stroke recovery  ...  Many now view brain recovery after stroke as an area of scientific research with large potential for therapeutic advances, far into the future (Broderick and William, 2004).  ...  In the future, it may be possible to find synergies between task and rs-fMRI approaches to advance our understanding of activation patterns that explain or predict recovery after stroke.  ... 
doi:10.3389/fneur.2013.00060 pmid:23750149 pmcid:PMC3664317 fatcat:jigs3qhoiff7ris57wfl5setl4

Early parietofrontal network upregulation relates to future persistent deficits after severe stroke – a prospective cohort study

Winifried Backhaus, Hanna Braaß, Focko L Higgen, Christian Gerloff, Robert Schulz
2021 Brain Communications  
This study provides novel insights that parietofrontal networks of the ipsilesional hemisphere undergo neuroplastic alteration already very early after severe motor stroke.  ...  The main finding was a significant increase in ipsilesional parietofrontal coupling between anterior intraparietal sulcus and the primary motor cortex in severely affected stroke patients (P < 0.003  ...  The current study found an association between network properties of the parietofrontal motor network during the first days after stroke and future levels of neurological deficits and global dependence  ... 
doi:10.1093/braincomms/fcab097 pmid:34056601 pmcid:PMC8154858 fatcat:vwwv3uw3fnbm5almi5lthib6jm

Changes of functional connectivity in the left frontoparietal network following aphasic stroke

Dan Zhu, Jingling Chang, Sonya Freeman, Zhongjian Tan, Juan Xiao, Ying Gao, Jian Kong
2014 Frontiers in Behavioral Neuroscience  
We enrolled 13 aphasic patients who had undergone a stroke in the left hemisphere and age-, gender-, educational level-matched controls and analyzed the data by integrating independent component analysis  ...  Resting state functional magnetic resonance imaging (fMRI) and clinical evaluation of language function were assessed at two stages: 1 and 2 months after stroke onset.  ...  ACKNOWLEDGMENTS We deeply thank Hsiao-Ying Wey, Xiaoyan Chen, and Javeria Ali Hashmi in the Department of Psychiatry, Massachusetts General Hospital for their valuable help in data analysis.  ... 
doi:10.3389/fnbeh.2014.00167 pmid:24860452 pmcid:PMC4026698 fatcat:qqk4zfp75zdixo3mqckpnsieeq

Synchrony Between Default-Mode and Sensorimotor Networks Facilitates Motor Function in Stroke Rehabilitation: A Pilot fMRI Study

Changwei W. Wu, Shang-Hua N. Lin, Li-Ming Hsu, Shih-Ching Yeh, Shiao-Fei Guu, Si-Huei Lee, Chun-Chuan Chen
2020 Frontiers in Neuroscience  
However, whether between-network interactions facilitate the neuroplasticity after stroke rehabilitation remains a mystery.  ...  After stroke onset, persistent physical practice or exercise in the rehabilitation procedure reorganizes neural assembly for reducing motor deficits, known as neuroplasticity.  ...  The fMRI data were acquired using a Siemens TIM Trio 3T MRI scanner with a 12-channel head coil.  ... 
doi:10.3389/fnins.2020.00548 pmid:32655349 pmcid:PMC7325875 fatcat:hajdganp2rbobhzohdatjrwndy

Cerebral blood flow imbalance is associated with motor outcome after pediatric arterial ischemic stroke

Rebekka Leistner, Regula Everts, Andrea Federspiel, Salome Kornfeld, Nedelina Slavova, Leonie Steiner, Roland Wiest, Maja Steinlin, Sebastian Grunt, Emanuele Bartolini
2019 PLoS ONE  
This study aims to explore long-term cerebral perfusion balance of vital tissue and its relation to motor outcome after childhood AIS.  ...  This was significantly different from peers, who showed balanced laterality indices. There was a significant correlation between laterality indices and manual ability, except in the ACA territory.  ...  Acknowledgments The authors thank all the children who participated in the study as well as their parents.  ... 
doi:10.1371/journal.pone.0223584 pmid:31603919 pmcid:PMC6788710 fatcat:lsbtnj2vufdslekpfvqftpth5i
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