Filters








134 Hits in 4.6 sec

Probing rapid network reorganization of motor and language functions via neuromodulation and neuroimaging

Gesa Hartwigsen, Lukas J. Volz
2020 NeuroImage  
In this review, we discuss the unique potential of the consecutive combination of repetitive transcranial magnetic stimulation (rTMS) and functional neuroimaging to probe network organization and reorganization  ...  These mechanisms may allow for computational flexibility of large-scale neural networks underlying motor and cognitive functions.  ...  Acknowledgments GH is supported by the German Research Foundation (DFG: HA 6314/3-1 and HA 6314/4-1) and by the Max Planck Society.  ... 
doi:10.1016/j.neuroimage.2020.117449 pmid:33059054 fatcat:bo3htmxyyndlhelnnfdnde5yyq

Behavioral, Temporal, and Spatial Targets for Cellular Transplants as Adjuncts to Rehabilitation for Stroke

B. H. Dobkin
2007 Stroke  
The robustness of their effects on neuromodulation, reorganization, regeneration, and behavioral recovery is a work in progress.  ...  sprouting, network connectivity, and long-term potentiation, as well as deliver engineered genes and provide replacement cells in a network.  ...  of interest for implantation. 33 Functional neuroimaging could be a tool to explore other locations for a cell implant, to determine whether the motor network is engaged by task-specific rehabilitation  ... 
doi:10.1161/01.str.0000248408.49398.9c pmid:17261748 fatcat:2i4dkr5kgjcwhd2daommnarmoe

Harnessing neuroplasticity for clinical applications

S. C. Cramer, M. Sur, B. H. Dobkin, C. O'Brien, T. D. Sanger, J. Q. Trojanowski, J. M. Rumsey, R. Hicks, J. Cameron, D. Chen, W. G. Chen, L. G. Cohen (+23 others)
2011 Brain  
Downloaded from Neuroplasticity can be defined as the ability of the nervous system to respond to intrinsic or extrinsic stimuli by reorganizing its structure, function and connections.  ...  Downloaded from neural measurements, but also community function, quality of life, and the subjective experience of the individual. Harnessing neuroplasticity Brain  ...  Christopher deCharms is an employee and stockholder in Omneuron, Inc., a research company that develops neuroimaging approaches for diagnosing and treating neurologic and psychiatric diseases.  ... 
doi:10.1093/brain/awr039 pmid:21482550 pmcid:PMC3102236 fatcat:6dnm6sewurdhrp74s5lnjed2oi

New approach of using cortico-cortical evoked potential for functional brain evaluation

Hyunjin Jo, Dongyeop Kim, Jooyeon Song, Dae-Won Seo
2021 Annals of Clinical Neurophysiology  
CCEP mapping has been used to examine the brain connections causally in functional systems such as the language, auditory, and visual systems as well as in anatomic regions including the frontoparietal  ...  Analyses of CCEPs might enable us to identify causal relationships between brain areas during cortical processing, and to develop a new paradigm of effective therapeutic neuromodulation in the future.  ...  Functional system Connectivity Language Dorsal language network Ventral language network Motor Frontal lobe network Cognitive motor network Negative motor network Interhemispheric connections Limbic Limbic  ... 
doi:10.14253/acn.2021.23.2.69 fatcat:qrzt5yekpraazhlywmaceqaace

Inferring Causality from Noninvasive Brain Stimulation in Cognitive Neuroscience

Til Ole Bergmann, Gesa Hartwigsen
2020 Journal of Cognitive Neuroscience  
brain tissue, which then evokes or modulates neuronal activity both locally in the target region and in connected remote sites of the network, which in consequence affects the cognitive function of interest  ...  Transcending the limitations of purely correlative neuroimaging measures and experimental sensory stimulation, they allow to experimentally manipulate brain activity and study its consequences for perception  ...  Reprint requests should be sent to Til Ole Bergmann, Leibniz Institute for Resilience Research, Wallstraße 7-9, 55122 Mainz, Germany, or via e-mail: til-ole.bergmann@lir-mainz.de.  ... 
doi:10.1162/jocn_a_01591 pmid:32530381 fatcat:f2p3lmudj5brzdsyocoqy3mxia

Clinical Applications of Magnetic Resonance Imaging Based Functional and Structural Connectivity

Chengyuan Wu, Francisca Ferreira, Michael Fox, Noam Harel, Jona Hattangadi-Gluth, Andreas Horn, Saad Jbabdi, Joshua Kahan, Ashwini Oswal, Sameer A. Sheth, Yanmei Tie, Vejay Vakharia (+2 others)
2021 NeuroImage  
Non-invasive, in vivo brain MRI structural and functional network mapping has been used to identify therapeutic targets, define eloquent brain regions to preserve, and gain insight into pathological processes  ...  Advances in computational neuroimaging techniques have expanded the armamentarium of imaging tools available for clinical applications in clinical neuroscience.  ...  JHG was supported by the National Institutes of Health ( 1KL2TR001444 , R01  ... 
doi:10.1016/j.neuroimage.2021.118649 pmid:34648960 fatcat:6i536zz6mfertaortalbr5h7gi

Wearable functional near infrared spectroscopy (fNIRS) and transcranial direct current stimulation (tDCS): expanding vistas for neurocognitive augmentation

Ryan McKendrick, Raja Parasuraman, Hasan Ayaz
2015 Frontiers in Systems Neuroscience  
A new generation of functional near infrared spectroscopy (fNIRS) systems is described that are miniaturized, portable, and include wearable sensors.  ...  The main effect of tDCS is to modulate cortical excitability depending on the polarity of the applied current. However, the underlying mechanism of neuromodulation is not well understood.  ...  of theories of neuroplasticity, specifically for functional reorganization of neural networks and adaptation.  ... 
doi:10.3389/fnsys.2015.00027 pmid:25805976 pmcid:PMC4353303 fatcat:uxgrcgkr6vhe7cpnppgpxt4ic4

Recovery from disorders of consciousness: mechanisms, prognosis and emerging therapies

Brian L. Edlow, Jan Claassen, Nicholas D. Schiff, David M. Greer
2020 Nature Reviews Neurology  
neural networks and promote re-emergence of consciousness.  ...  Advanced neuroimaging and electrophysiological techniques have revealed new insights into the biological mechanisms underlying recovery of consciousness and have enabled the identification of preserved  ...  Katz and Lenny Katz Foundations, Rappaport Foundation and Tiny Blue Dot Foundation. The authors thank S.B. Snider for assistance with the creation of Fig. 3 .  ... 
doi:10.1038/s41582-020-00428-x pmid:33318675 pmcid:PMC7734616 fatcat:rylz6rfpofembpje5232ryivqu

Past, Present, and Future of Non-invasive Brain Stimulation Approaches to Treat Cognitive Impairment in Neurodegenerative Diseases: Time for a Comprehensive Critical Review

Clara Sanches, Chloé Stengel, Juliette Godard, Justine Mertz, Marc Teichmann, Raffaella Migliaccio, Antoni Valero-Cabré
2021 Frontiers in Aging Neuroscience  
stimulation regimes, the heterogeneity of the protocols, and adequate behavioral and neuroimaging response biomarkers, able to show lasting effects and an impact on prognosis.  ...  Pharmacological therapies and cognitive training/rehabilitation have generated temporary hope and, occasionally, proof of mild relief.  ...  ACKNOWLEDGMENTS We thank the FRA foundation for logistic and equipment support and the Naturalia & Biologia Foundation for financial assistance for traveling and attendance to meetings.  ... 
doi:10.3389/fnagi.2020.578339 pmid:33551785 pmcid:PMC7854576 fatcat:2dabsejeubg7ditnrdrlz5a2bu

The use of noninvasive brain stimulation techniques to improve reading difficulties in dyslexia: A systematic review

Sabrina Turker, Gesa Hartwigsen
2021 Human Brain Mapping  
Noninvasive brain stimulation (NIBS) allows to actively and noninvasively modulate brain function.  ...  Aside from inhibiting specific processes, NIBS may also enhance cognitive functions, which might be used for the prevention and intervention of learning disabilities such as dyslexia.  ...  Consequently, functional neuroimaging and NIBS have significantly advanced the current knowledge about neural networks for cognition in the human brain, including language organization and reorganization  ... 
doi:10.1002/hbm.25700 pmid:34716977 pmcid:PMC8764483 fatcat:f2l6xfrigrbn5eu3pwcpwxzfhy

Oscillatory Activities in Neurological Disorders of Elderly: Biomarkers to Target for Neuromodulation

Giovanni Assenza, Fioravante Capone, Lazzaro di Biase, Florinda Ferreri, Lucia Florio, Andrea Guerra, Massimo Marano, Matteo Paolucci, Federico Ranieri, Gaetano Salomone, Mario Tombini, Gregor Thut (+1 others)
2017 Frontiers in Aging Neuroscience  
), and for these signals of abnormal network activity to normalize with treatment, and/or to be predictive of disease progression or recovery.  ...  Motivated on the one hand by recent evidence that oscillatory activities in neural systems play a role in orchestrating brain functions and dysfunctions, in particular those of neurological disorders specific  ...  Accordingly, the enhanced presence of this slow oscillation may suggest a network disassembly, but also signal a role in promoting plasticity in the context of neural network reorganization.  ... 
doi:10.3389/fnagi.2017.00189 pmid:28659788 pmcid:PMC5468377 fatcat:z5u3ja56kbanbcc3ixepqzxhxy

The Original Social Network: White Matter and Social Cognition

Yin Wang, Ingrid R. Olson
2018 Trends in Cognitive Sciences  
Studies of human white matter provide key insights into the organization of brain systems and the functions they perform.  ...  Several structures (e.g. optic tracts, corticospinal tract, fornix, and arcuate fasciculus) have been well characterized for vision, sensorimotor processing, episodic memory, and language  ...  of language (35%), memory (41%) and motor function (57%) (Figure I-c) .  ... 
doi:10.1016/j.tics.2018.03.005 pmid:29628441 pmcid:PMC5960431 fatcat:4s4qs55nazbcfewo2uakyovz2u

Cognitive and Emotional Mapping With SEEG

Daniel L. Drane, Nigel P. Pedersen, David S. Sabsevitz, Cady Block, Adam S. Dickey, Abdulrahman Alwaki, Ammar Kheder
2021 Frontiers in Neurology  
Much of this review explores the prospects for new mapping approaches to better understand other components of language, memory, spatial skills, executive, and socio-emotional functions.  ...  Mapping of cortical functions is critical for the best clinical care of patients undergoing epilepsy and tumor surgery, but also to better understand human brain function and connectivity.  ...  Anne Cleary and Joseph Neisser for contributing ideas related to our use of a deja vu assessment task.  ... 
doi:10.3389/fneur.2021.627981 pmid:33912122 pmcid:PMC8072290 fatcat:wwfwlivdwzg5tieokyktjmi4ee

A refined model of sleep and the time course of memory formation

Matthew P. Walker
2005 Behavioral and Brain Sciences  
These include the upregulation of select plasticity-associated genes, increased protein synthesis, changes in neurotransmitter concentration, and specific electrical events in neuronal networks that modulate  ...  This article begins with an overview of recent studies regarding sleep and learning, predominantly in the procedural memory domain, and is measured against our current understanding of the mechanisms that  ...  This work was supported by the National Science Foundation (BCS-0121953) and the National Institute of Health (MH-48832 and DA11744-01A1).  ... 
doi:10.1017/s0140525x05000026 fatcat:3yszgo7sabf6rek6dxq4b3iv2a

The Parieto-Frontal Integration Theory (P-FIT) of intelligence: Converging neuroimaging evidence

Rex E. Jung, Richard J. Haier
2007 Behavioral and Brain Sciences  
The P-FIT is examined in light of findings from human lesion studies, including missile wounds, frontal lobotomy/leukotomy, temporal lobectomy, and lesions resulting in damage to the language network (  ...  and function.  ...  Varley notes that damage can cause reorganization of brain functions so that cognitive performance can be sustained, citing examples about language and aphasia.  ... 
doi:10.1017/s0140525x07001185 pmid:17655784 fatcat:24xus3ep2bbejfxkzgrnm26nxa
« Previous Showing results 1 — 15 out of 134 results