MAGIC: a MATLAB Toolbox for External Control of Transcranial Magnetic Stimulation Devices

Forough Habibollahi Saatlou; Nigel C. Rogasch; Nicolas A.  McNair; Mana  Biabani; Steven D. Pillen; Tom R. Marshall; Til O. Bergmann

doi:10.20944/preprints201805.0057.v1

Preprint Article Version 1 This version is not peer-reviewed

MAGIC: a MATLAB Toolbox for External Control of Transcranial Magnetic Stimulation Devices

Forough Habibollahi Saatlou , Nigel C. Rogasch ^* , Nicolas A. McNair , Mana Biabani , Steven D. Pillen , Tom R. Marshall , Til O. Bergmann

Version 1 : Received: 2 May 2018 / Approved: 3 May 2018 / Online: 3 May 2018 (08:45:50 CEST)

How to cite: Habibollahi Saatlou, F.; Rogasch, N.C.; McNair, N.A..; Biabani, M..; Pillen, S.D.; Marshall, T.R.; Bergmann, T.O. MAGIC: a MATLAB Toolbox for External Control of Transcranial Magnetic Stimulation Devices. Preprints 2018, 2018050057 (doi: 10.20944/preprints201805.0057.v1). Habibollahi Saatlou, F.; Rogasch, N.C.; McNair, N.A..; Biabani, M..; Pillen, S.D.; Marshall, T.R.; Bergmann, T.O. MAGIC: a MATLAB Toolbox for External Control of Transcranial Magnetic Stimulation Devices. Preprints 2018, 2018050057 (doi: 10.20944/preprints201805.0057.v1).

Abstract

The capacity to externally control transcranial magnetic stimulation (TMS) devices is becoming increasingly important in brain stimulation research. Here we introduce MAGIC (MAGnetic stimulator Interface Controller), an open-source MATLAB toolbox for controlling Magstim and MagVenture stimulators. MAGIC includes a series of MATLAB functions which allow the user to arm/disarm the stimulator, send triggers, change stimulator settings such as amplitude, interpulse intervals, and frequency, and receive stimulator setting information via a serial port connection between a computer and the stimulator. By providing external control capability, MAGIC enables greater flexibility in designing research protocols which require trial-by-trial changes of device settings to realize a priori trial randomization or interactive ad hoc adjustment of parameters during an ongoing experiment. MAGIC thus helps to prevent experimental confounds related to the block-wise variation of parameters and facilitates the integration of TMS with cognitive/sensory tasks, and the development of more adaptive brain state-dependent brain stimulation protocols.

Supplementary and Associated Material

https://github.com/nigelrogasch/MAGIC/releases: Toolbox code

https://github.com/nigelrogasch/MAGIC/wiki: Toolbox wiki

Subject Areas

TMS; remote control; serial port; MagVenture; MagStim

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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