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FUNCTIONAL BRAIN MAPPING AND ITS APPLICATIONS TO NEUROSURGERY

Suzanne Tharin, Alexandra Golby
2007 Operative Neurosurgery  
Functional imaging techniques are used to map motor, sensory, language, and memory areas in neurosurgical patients with conditions as diverse as brain tumors, vascular lesions, and epilepsy.  ...  A coronal brain slice with super-imposed diffusion tensor tractography. The tractography demonstrates alteration in the arrangement of the tracts around the tumor in the temporal lobe.  ...  Acknowledgments This research was supported by grants to AJG from the National Institutes of Health (KO8 NS048063 and U41 RR019703) and the Brain Science Foundation.  ... 
doi:10.1227/01.neu.0000255386.95464.52 pmid:17415154 fatcat:vuldljx7djconidjzx6pajxfl4

American Clinical MEG Society (ACMEGS) Position Statement: The Value of Magnetoencephalography (MEG)/Magnetic Source Imaging (MSI) in Noninvasive Presurgical Evaluation of Patients With Medically Intractable Localization-related Epilepsy

Anto Bagic, Michael E. Funke, John Ebersole
2009 Journal of clinical neurophysiology  
Integrating sensory and motor mapping in a comprehensive MEG protocol: clinical validity and replicability. Neuroimage. 2004;21:973-983. Cohen D.  ...  Combining fMRI and MEG increases the reliability of presurgical language localization: a clinical study on the difference between and congruence of both modalities. Neuroimage. 2006; 32:1793-1803.  ...  T he American Clinical Magnetoencephalography Society (ACMEGS) is a professional society of physicians and other professionals with doctoral degrees "involved in clinical use of magnetoencephalography  ... 
doi:10.1097/wnp.0b013e3181b49d50 pmid:19602984 fatcat:oibzp2es6ffp5pdwjdcgt7ohue

Optimizing Magnetoencephalographic Imaging Estimation of Language Lateralization for Simpler Language Tasks

Leighton B. N. Hinkley, Elke De Witte, Megan Cahill-Thompson, Danielle Mizuiri, Coleman Garrett, Susanne Honma, Anne Findlay, Maria Luisa Gorno-Tempini, Phiroz Tarapore, Heidi E. Kirsch, Peter Mariën, John F. Houde (+2 others)
2020 Frontiers in Human Neuroscience  
Finally, in a test cohort (n = 8) that underwent both the intracarotid amobarbital procedure (IAP) test and MEG for VG, NWR, and PN, we identified excellent concordance (100%) with IAP for VG + NWR + PN  ...  To verify the optimal parameters defined in our training cohort for NWR and PN, we examined an independent validation cohort (n = 30 for NWR, n = 28 for PN) and found high concordance between VG laterality  ...  ED was a postdoctoral fellow of the Research Foundation -Flanders (FWO). ACKNOWLEDGMENTS We would like to thank Brandon Kopald for his assistance with IAP data.  ... 
doi:10.3389/fnhum.2020.00105 pmid:32499685 pmcid:PMC7242765 fatcat:m3hichfm7zdtvklanoc5inbvbq

Revealing humans' sensorimotor functions with electrical cortical stimulation

Michel Desmurget, Angela Sirigu
2015 Philosophical Transactions of the Royal Society of London. Biological Sciences  
One contribution of 15 to a theme issue 'Controlling brain activity to alter perception, behaviour and society'.  ...  This view is consistent with a recent study on upper-limb reaching movements showing, in humans and monkeys, that M1 contains fast feedback control loops integrating sensory and motor signals [78] .  ...  represented as integrated motor primitives in the precentral gyrus.  ... 
doi:10.1098/rstb.2014.0207 pmid:26240422 pmcid:PMC4528819 fatcat:q3vjtuxkrzfwfholo754twcf7a

Concordance of MEG and fMRI patterns in adolescents during verb generation

Yingying Wang, Scott K. Holland, Jennifer Vannest
2012 Brain Research  
At the group level, MEG and fMRI data showed spatial convergence in the left inferior frontal gyrus for covert or overt generation versus overt repetition, and the bilateral motor cortex when overt generation  ...  We examined the spatial concordance between MEG and fMRI results in 16 adolescents performing a three-phase verb generation task that involves repeating the auditorily presented concrete noun and generating  ...  Sara Robertson and Ms. Julie Franks, for helping with recruitments and data collection, and Mr. Kendall O'Brien and Ms. Amanda Woods, for performing all the MRI scans.  ... 
doi:10.1016/j.brainres.2012.02.001 pmid:22365747 pmcid:PMC3461218 fatcat:3krsttdb6zcm3lkxudlcr4mp5e

Neural Entrainment Determines the Words We Hear

Anne Kösem, Hans Rutger Bosker, Atsuko Takashima, Antje Meyer, Ole Jensen, Peter Hagoort
2018 Current Biology  
Clinical reports of MEG recordings The conclusions of a clinical MEG examination can be based only on reliable responses, and thus the replicability of the measured signals should be first carefully checked  ...  of pain-evoked MEG responses has yet been validated for the diagnosis of chronic pain syndromes, in part because of limited access to MEG devices in clinical settings.  ... 
doi:10.1016/j.cub.2018.07.023 pmid:30197083 fatcat:igzyfe6azjav3p2nrcmr22xeby

The Danish High-Risk and Resilience Study—VIA 15 – A Study Protocol for the Third Clinical Assessment of a Cohort of 522 Children Born to Parents Diagnosed With Schizophrenia or Bipolar Disorder and Population-Based Controls

Anne Amalie Elgaard Thorup, Nicoline Hemager, Vibeke Fuglsang Bliksted, Aja Neergaard Greve, Jessica Ohland, Martin Wilms, Sinnika Birkehøj Rohd, Merete Birk, Anette Faurskov Bundgaard, Andreas Færgemand Laursen, Oskar Hougaard Jefsen, Nanna Lawaetz Steffensen (+27 others)
2022 Frontiers in Psychiatry  
A comprehensive assessment battery covering domains of psychopathology, neurocognition, social cognition and behavior, motor development and physical health, genetic analyses, attachment, stress, parental  ...  Adolescence is a period characterized by massive changes, both in terms of physical, neurologic, psychological, social, and behavioral aspects.  ...  AUTHOR CONTRIBUTIONS AT and MNo wrote the manuscript. All authors contributed to development of study design and preparation of the manuscript, and have commented and approved the submitted version.  ... 
doi:10.3389/fpsyt.2022.809807 pmid:35444571 pmcid:PMC9013818 fatcat:mmi2iotodjhmlkdiyi46hf7cdq

Adaptive Plasticity in the Healthy Language Network: Implications for Language Recovery after Stroke

Gesa Hartwigsen
2016 Neural Plasticity  
NIBS is also increasingly being used to induce adaptive plasticity in motor and cognitive networks and shape cognitive functions.  ...  In this review, we will discuss recent advances in the use of NIBS to modulate neural activity and effective connectivity in the healthy language network, with a special focus on the combination of NIBS  ...  In a similar vein, the effects of NIBS can also be mapped with EEG or MEG, with the exception that the simultaneous combination of TMS and MEG is technically not feasible. fMRI can be used prior to TMS  ... 
doi:10.1155/2016/9674790 pmid:27830094 pmcid:PMC5088318 fatcat:qqmwczphgneztao62jbi2stbkq

Magnetoencephalography

Malcolm Proudfoot, Mark W Woolrich, Anna C Nobre, Martin R Turner
2014 Practical Neurology  
MRT conceived and edited the manuscript, and is guarantor of the content.  ...  Acknowledgements We thank George Wallis, OHBA, for providing figures 5 and 6. Contributors MP drafted the manuscript. MWW edited the manuscript. KN edited the manuscript.  ...  MEG data reconstructed into source space (B) with a beamformer approach and presented on a 3D cortical map.  ... 
doi:10.1136/practneurol-2013-000768 pmid:24647614 pmcid:PMC4174130 fatcat:yqi7ch4c2rcqvpwn6tnpct3nuu

Proceedings: ISBET 200 – 14th World Congress of the International Society for Brain Electromagnetic Topography, November 19-23, 2003

Yoshio Okada
2003 Brain Topography  
Curry integrates functional imaging such as fMRI with EEG and MEG source reconstruction to allow the comparison of results and to enhance the validity of solutions.  ...  Automated data analysis and source reconstruction using macros. Comprehensive MEG software package for both clinical and research applications. -L. Parkkonen, S. Taulu, M.  ...  Comprehensive mapping is achieved by magnetoencephalography (MEG).  ... 
doi:10.1023/b:brat.0000019284.29068.8d fatcat:tpvp3dcojrczjkuzcu3xefyizy

IFCN-endorsed practical guidelines for clinical magnetoencephalography (MEG)

Riitta Hari, Sylvain Baillet, Gareth Barnes, Richard Burgess, Nina Forss, Joachim Gross, Matti Hämäläinen, Ole Jensen, Ryusuke Kakigi, François Mauguière, Nobukatzu Nakasato, Aina Puce (+3 others)
2018 Clinical Neurophysiology  
Practical guidelines for clinical MEG examinations are presented. a b s t r a c t Magnetoencephalography (MEG) records weak magnetic fields outside the human head and thereby provides millisecond-accurate  ...  The main principles of magnetoencephalography (MEG) and the value of combined MEG and EEG are discussed. Established and some potential future clinical applications of MEG are reviewed.  ...  Deficits in sensorimotor integration impair both gross movements and fine-motor skills.  ... 
doi:10.1016/j.clinph.2018.03.042 pmid:29724661 pmcid:PMC6045462 fatcat:dqfw6g7tsrg4blwjmnj3fxm35a

Brain Abnormalities in Individuals with a Desire for a Healthy Limb Amputation: Somatosensory, Motoric or Both? A Task-Based fMRI Verdict

Martina Gandola, Laura Zapparoli, Gianluca Saetta, Carlo Reverberi, Gerardo Salvato, Silvia Amaryllis Claudia Squarza, Paola Invernizzi, Maurizio Sberna, Peter Brugger, Gabriella Bottini, Eraldo Paulesu
2021 Brain Sciences  
We conclude that BID is associated with altered integration of somatosensory and, to a lesser extent, motor signals, involving limb-specific cortical maps and brain regions where the first integration  ...  Here, we used fMRI to evaluate whether these findings could be replicated and expanded using a task-based paradigm.  ...  Acknowledgments: We are deeply grateful to all the participants who took part in this study. In particular, we would like to express our gratitude to participants with BID for their time and efforts.  ... 
doi:10.3390/brainsci11091248 pmid:34573269 pmcid:PMC8468102 fatcat:me3ksuv33fdzheekhdkovefs54

Convergence of Heteromodal Lexical Retrieval in the Lateral Prefrontal Cortex [article]

Alexander Arash Aabedi, Sofia Kakaizada, Jacob S Young, Oliva Wiese, Claudia Valdivia, Mitchel S Berger, Daniel H Weissman, David Brang, Shawn L Hervey-Jumper
2020 biorxiv/medrxiv   pre-print
A subset of participants also underwent the Quick Aphasia Battery which provides a validated measure of lexical retrieval via the word finding subtest.  ...  Because of this existing controversy, we set out to test the hypothesis that cortical and subcortical brain regions specifically involved in lexical retrieval in response to visual and auditory stimuli  ...  Acknowledgements We deeply appreciate insights from Sofia Jimenez and Matthew Soleiman within their respective fields of psycholinguistics and cognitive neuroscience.  ... 
doi:10.1101/2020.11.30.405746 fatcat:7idvpanh6vfn5kda2a27zgq75q

Convergence of heteromodal lexical retrieval in the lateral prefrontal cortex

Alexander A. Aabedi, Sofia Kakaizada, Jacob S. Young, Jasleen Kaur, Olivia Wiese, Claudia Valdivia, Saritha Krishna, Christina Weyer-Jamora, Mitchel S. Berger, Daniel H. Weissman, David Brang, Shawn L. Hervey-Jumper
2021 Scientific Reports  
In this study, we perform support vector regression lesion-symptom mapping using a brain tumor model to test the hypothesis that brain regions specifically involved in lexical retrieval from visual and  ...  We find that principal components analysis of language tasks revealed multicollinearity between picture naming, auditory naming, and a validated measure of word finding, implying the existence of redundant  ...  Acknowledgements We deeply appreciate insights from Sofia Jimenez and Matthew Soleiman within their respective fields of psycholinguistics and cognitive neuroscience.  ... 
doi:10.1038/s41598-021-85802-5 pmid:33737672 pmcid:PMC7973515 fatcat:dswyuvekw5dyvmd7aoy2xtn6kq

Alpha Rhythms in Audition: Cognitive and Clinical Perspectives

Nathan Weisz, Thomas Hartmann, Nadia Müller, Isabel Lorenz, Jonas Obleser
2011 Frontiers in Psychology  
and sensori-and motor areas.  ...  Nevertheless, if a similar alpha rhythm also exists in the auditory as in the visual and sensori-and motor modality then a stimulation with sound should lead to a desynchronization, i.e., power decrease  ...  Conflict of Interest Statement: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest  ... 
doi:10.3389/fpsyg.2011.00073 pmid:21687444 pmcid:PMC3110491 fatcat:kfqermaf4ra4blwphklug4q3by
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