Reply to: “Reflecting the causes of variability of EEG responses elicited by cerebellar TMS”

Po-Yu Fong; Danny Spampinato; Kevin Michell; Marco Mancuso; Katlyn Brown; Jaime Ibáñez; Alessandro Di Santo; Anna Latorre; Kailash Bhatia; John C Rothwell; Lorenzo Rocchi

NeuroImage (Nov 2023)

Reply to: “Reflecting the causes of variability of EEG responses elicited by cerebellar TMS”

Po-Yu Fong,
Danny Spampinato,
Kevin Michell,
Marco Mancuso,
Katlyn Brown,
Jaime Ibáñez,
Alessandro Di Santo,
Anna Latorre,
Kailash Bhatia,
John C Rothwell,
Lorenzo Rocchi

Affiliations

Po-Yu Fong: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK; Division of Movement Disorders, Department of Neurology and Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Medical School, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Corresponding author at: UCL Queen Square Institute of Neurology, 3rd floor, 33 Queen Square, London WC1N 3BG, UK.
Danny Spampinato: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK; Non-Invasive Brain Stimulation Unit, IRCCS Santa Lucia Foundation, Via Ardeatina 306/354, Rome 00142, Italy
Kevin Michell: UCL Queen Square Institute of Neurology, University College London, London, UK
Marco Mancuso: Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
Katlyn Brown: Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada
Jaime Ibáñez: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK; BSICoS Group, I3A Institute, University of Zaragoza, IIS Aragón, Zaragoza, Spain; Department of Bioengineering, Imperial College, London, UK
Alessandro Di Santo: NEuroMuscular Omnicentre (NEMO), Serena Onlus, AOS Monaldi, Naples, Italy; Unit of Neurology, Department of Medicine, Campus Bio-Medico University of Rome, Rome, Italy
Anna Latorre: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
Kailash Bhatia: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
John C Rothwell: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
Lorenzo Rocchi: Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK; Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy

Journal volume & issue: Vol. 281
p. 120392

Abstract

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In their commentary on our recently published paper about electroencephalographic responses induced by cerebellar transcranial magnetic stimulation (Fong et al., 2023), Gassmann and colleagues (Gassmann et al., 2023b) try to explain the differences between our results and their own previous work on the same topic. We agree with them that many of the differences arise from our use of a different magnetic stimulation coil. However, two unresolved questions remain. (1) Which method is most likely to achieve optimal activation of cerebellar output? (2) To what extent are the evoked cerebellar responses contaminated by concomitant sensory input? We highlight the role of careful experimental design and of combining electrophysiological and behavioural data to obtain reliable TMS-EEG data.

Published in NeuroImage

ISSN: 1053-8119 (Print); 1095-9572 (Online)
Publisher: Elsevier
Country of publisher: United States
LCC subjects: Medicine: Internal medicine: Neurosciences. Biological psychiatry. Neuropsychiatry
Website: https://www.journals.elsevier.com/neuroimage

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