Transcranial magnetic stimulation

Effect of muscle length in a handgrip task on corticomotor excitability of extrinsic and intrinsic hand muscles under resting and submaximal contraction conditions
The neurophysiological mechanisms underlying muscle force control for different wrist postures still need to be better understood. To …
Victor Hugo Moraes, Claudia D. Vargas, Bia L. Ramalho, Renan H. Matsuda, Victor H. Souza, Luis Aureliano Imbiriba, Marco Antonio C. Garcia
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Advanced Pipeline for Designing Multi-Locus TMS Coils With Current Density Constraints
Objective: This work aims for a method to design manufacturable windings for transcranial magnetic stimulation (TMS) coils with fine …
Ilkka J. Rissanen, Victor H. Souza, Jaakko O. Nieminen, Lari M. Koponen, Risto J. Ilmoniemi
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The surface electrode placement determines the magnitude of motor potential evoked by transcranial magnetic stimulation
Objective: Different electrode montages have been adopted to record the surface electromyographic signal (sEMG) from which motor …
Marco Antonio Cavalcanti Garcia, Jordania Lindolfo-Almas, Renan Hiroshi Matsuda, Vitória Labiapari Pinto, Anaelli Aparecida Nogueira-Campos, Victor H. Souza
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Forearm and Hand Muscles Exhibit High Coactivation and Overlapping of Cortical Motor Representations
Most of the motor mapping procedures using navigated transcranial magnetic stimulation (nTMS) follow the conventional somatotopic …
Gabriela P. Tardelli, Victor H. Souza, Renan H. Matsuda, Marco A. C. Garcia, Pavel A. Novikov, Maria A. Nazarova, Oswaldo Baffa
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TMS with fast and accurate electronic control: Measuring the orientation sensitivity of corticomotor pathways
Background: Transcranial magnetic stimulation (TMS) coils allow only a slow, mechanical adjustment of the stimulating electric field …
Victor H. Souza, Jaakko O. Nieminen, Sergei Tugin, Lari M. Koponen, Oswaldo Baffa, Risto J. Ilmoniemi
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Trade-off between stimulation focality and the number of coils in multi-locus transcranial magnetic stimulation
Objective . Coils designed for transcranial magnetic stimulation (TMS) must incorporate trade-offs between the required electrical …
Samuel Nurmi, Jere Karttunen, Victor H. Souza, Risto J Ilmoniemi, Jaakko O Nieminen
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Transcranial magnetic stimulation for neuromodulation of the operculo‐insular cortex in humans
João Zugaib, Victor H. Souza
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Development and characterization of the InVesalius Navigator software for navigated transcranial magnetic stimulation
Background: Neuronavigation provides visual guidance of an instrument during procedures of neurological interventions, and has been …
Victor H. Souza, Renan H. Matsuda, André S. C. Peres, Paulo Henrique J. Amorim, Thiago F. Moraes, Jorge Vicente L. Silva, Oswaldo Baffa
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Development and characterization of the InVesalius Navigator software for navigated transcranial magnetic stimulation
Effect of TMS coil orientation on the spatial distribution of motor evoked potentials in an intrinsic hand muscle
Previous reports on the relationship between coil orientation and amplitude of motor evoked potential (MEP) in transcranial magnetic …
Victor H. Souza, Taian Martins Vieira, André Salles Cunha Peres, Marco Antonio Cavalcanti Garcia, Claudia Domingues Vargas, Oswaldo Baffa
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Lateralized asymmetries in distribution of muscular evoked responses: An evidence of specialized motor control over an intrinsic hand muscle
Lateralized neural control over hand muscles has been associated with anatomical and physiological asymmetries in the central nervous …
Victor H. Souza, Oswaldo Baffa, Marco A. C. Garcia
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Lateralized asymmetries in distribution of muscular evoked responses: An evidence of specialized motor control over an intrinsic hand muscle