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Journal Article

TMSmap: Software for quantitative analysis of TMS mapping results


Nikulin,  Vadim V.
Centre for Cognition and Decision Making, National Research University Higher School of Economics, Moscow, Russia;
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Neurophysics Group, Department of Neurology, Charité University Medicine Berlin, Germany;

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Novikov, P. A., Nazarova, M. A., & Nikulin, V. V. (2018). TMSmap: Software for quantitative analysis of TMS mapping results. Frontiers in Human Neuroscience, 12: 239. doi:10.3389/fnhum.2018.00239.

Cite as: http://hdl.handle.net/21.11116/0000-0001-5F4C-1
The use of the MRI-navigation system ensures accurate targeting of TMS. This, in turn, results in TMS motor mapping becoming a routinely used procedure in neuroscience and neurosurgery. However, currently, there is no standardized methodology for assessment of TMS motor-mapping results. Therefore, we developed TMSmap – free standalone graphical interface software for the quantitative analysis of the TMS motor mapping results (http://tmsmap.ru/). In addition to the estimation of standard parameters (such as the size of cortical muscle representation and the center of gravity location), it allows estimation of the volume of cortical representations, excitability profile of the cortical surface map and the overlap between cortical representations. The input data for the software includes the coordinates of the coil position (or electric field maximum) and the corresponding response in each stimulation point. TMSmap has been developed for versatile assessment and comparison of TMS maps relating to different experimental interventions including, but not limited to longitudinal, pharmacological and clinical studies (e.g., stroke recovery). To illustrate the use of TMSmap we provide examples of the actual TMS motor-mapping analysis of two healthy subjects and one chronic stroke patient.