Optically tracked neuronavigation increases the stability of hand-held focal coil positioning: evidence from "transcranial" magnetic stimulation-induced electrical field measurements

Brain Stimulation
Massimo CincottaSimone Rossi

Abstract

The stability of hand-held coil positioning with neuronavigated versus conventional transcranial magnetic stimulation (TMS) is still underinvestigated. Eleven operators naïve for neuronavigation were asked to position and maintain a figure-of-eight-shaped coil over a dipole probe placed within of a polystyrene reproduction of the human head and scalp, in correspondence of the right primary motor cortex. Ten monophasic magnetic pulses were delivered at 46% maximal stimulator output (MSO) in two different experimental conditions: (1) assisted by an optically tracked neuronavigational system; and (2) without neuronavigation. With neuronavigated stimulation, both standard deviation and coefficient of variation of the voltages induced in the dipole probe were significantly lower than without neuronavigation. Results were confirmed in four operators performing a longer-lasting experiment using 50 magnetic pulses in each condition, at an intensity of at 40% MSO. Findings show that optically tracked neuronavigation improves the stability of focal coil positioning.

References

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Citations

Dec 4, 2012·Journal of Cognitive Neuroscience·Iglis InnocentiSimone Rossi
May 12, 2015·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Martin V SaleJohn G Semmler
Apr 1, 2015·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Maria Concetta PellicciariMarta Bortoletto
Sep 20, 2015·NeuroImage·Jonna MeinckeDavid Liebetanz
Mar 16, 2013·Neuromodulation : Journal of the International Neuromodulation Society·Woo Jin KimNam-Jong Paik
Mar 1, 2016·Restorative Neurology and Neuroscience·Edward P Washabaugh, Chandramouli Krishnan
Sep 22, 2015·Frontiers in Cellular Neuroscience·Heidi M SchambraJohn W Krakauer
Oct 25, 2016·Parkinsonism & Related Disorders·Elias Paolo CasulaGiacomo Koch
Oct 24, 2015·Cerebral Cortex·Marcelo Di Marcello Valladão LugonMichael A Nitsche
Oct 19, 2017·Restorative Neurology and Neuroscience·Jakob RodsethChandramouli Krishnan
Dec 14, 2019·Medical & Biological Engineering & Computing·Grant RutherfordZahra Moussavi
Jun 27, 2018·Brain Topography·Annika A de GoedeMichel J A M van Putten
Dec 10, 2020·Scientific Reports·Claudia AmmannGuglielmo Foffani
Jan 14, 2020·Brain Stimulation·Francesco NeriEmiliano Santarnecchi
Nov 10, 2017·Drug and Alcohol Dependence·Christine E ShefferAntonio Mantovani

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