The Role of the Left Inferior Parietal Cortex in Gilles de la Tourette Syndrome—An rTMS Study

Theresa Paulus; Lynn Wernecke; Annik Lundie; Julia Friedrich; Julius Verrel; Tina Rawish; Anne Weissbach; Christian Frings; Christian Beste; Tobias Bäumer; Alexander Münchau

doi:10.3390/biomedicines11030980

The Role of the Left Inferior Parietal Cortex in Gilles de la Tourette Syndrome—An rTMS Study

Theresa Paulus, Lynn Wernecke, Annik Lundie, Julia Friedrich, Julius Verrel, Tina Rawish, Anne Weissbach, Christian Frings, Christian Beste, Tobias Bäumer, Alexander Münchau^*

^*Korrespondierende/r Autor/-in für diese Arbeit

Abstract

Increased activity in the left inferior parietal cortex (BA40) plays a role in the generation of tics in the Gilles de la Tourette syndrome (GTS). Thus, inhibitory repetitive transcranial magnetic stimulation (rTMS) applied to BA40 was hypothesized to alleviate symptoms in GTS. We investigated the immediate effects of single-session 1 Hz rTMS and sham stimulation delivered to the left BA40 on tics assessed with the Rush video protocol in 29 adults with GTS. There were no significant effects on tic symptoms following rTMS or sham stimulation. Moreover, there was no difference when comparing the effects of both stimulation conditions. Bayesian statistics indicated substantial evidence against an intervention effect. The left BA40 appears not to be a useful target for 1 Hz rTMS to modulate tic symptoms in GTS patients.

Originalsprache	Englisch
Aufsatznummer	980
Zeitschrift	Biomedicines
Jahrgang	11
Ausgabenummer	3
ISSN	2227-9059
DOIs	https://doi.org/10.3390/biomedicines11030980
Publikationsstatus	Veröffentlicht - 03.2023

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10.3390/biomedicines11030980

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title = "The Role of the Left Inferior Parietal Cortex in Gilles de la Tourette Syndrome—An rTMS Study",

abstract = "Increased activity in the left inferior parietal cortex (BA40) plays a role in the generation of tics in the Gilles de la Tourette syndrome (GTS). Thus, inhibitory repetitive transcranial magnetic stimulation (rTMS) applied to BA40 was hypothesized to alleviate symptoms in GTS. We investigated the immediate effects of single-session 1 Hz rTMS and sham stimulation delivered to the left BA40 on tics assessed with the Rush video protocol in 29 adults with GTS. There were no significant effects on tic symptoms following rTMS or sham stimulation. Moreover, there was no difference when comparing the effects of both stimulation conditions. Bayesian statistics indicated substantial evidence against an intervention effect. The left BA40 appears not to be a useful target for 1 Hz rTMS to modulate tic symptoms in GTS patients.",

author = "Theresa Paulus and Lynn Wernecke and Annik Lundie and Julia Friedrich and Julius Verrel and Tina Rawish and Anne Weissbach and Christian Frings and Christian Beste and Tobias B{\"a}umer and Alexander M{\"u}nchau",

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T1 - The Role of the Left Inferior Parietal Cortex in Gilles de la Tourette Syndrome—An rTMS Study

AU - Paulus, Theresa

AU - Wernecke, Lynn

AU - Lundie, Annik

AU - Friedrich, Julia

AU - Verrel, Julius

AU - Rawish, Tina

AU - Weissbach, Anne

AU - Frings, Christian

AU - Beste, Christian

AU - Bäumer, Tobias

AU - Münchau, Alexander

PY - 2023/3

Y1 - 2023/3

N2 - Increased activity in the left inferior parietal cortex (BA40) plays a role in the generation of tics in the Gilles de la Tourette syndrome (GTS). Thus, inhibitory repetitive transcranial magnetic stimulation (rTMS) applied to BA40 was hypothesized to alleviate symptoms in GTS. We investigated the immediate effects of single-session 1 Hz rTMS and sham stimulation delivered to the left BA40 on tics assessed with the Rush video protocol in 29 adults with GTS. There were no significant effects on tic symptoms following rTMS or sham stimulation. Moreover, there was no difference when comparing the effects of both stimulation conditions. Bayesian statistics indicated substantial evidence against an intervention effect. The left BA40 appears not to be a useful target for 1 Hz rTMS to modulate tic symptoms in GTS patients.

AB - Increased activity in the left inferior parietal cortex (BA40) plays a role in the generation of tics in the Gilles de la Tourette syndrome (GTS). Thus, inhibitory repetitive transcranial magnetic stimulation (rTMS) applied to BA40 was hypothesized to alleviate symptoms in GTS. We investigated the immediate effects of single-session 1 Hz rTMS and sham stimulation delivered to the left BA40 on tics assessed with the Rush video protocol in 29 adults with GTS. There were no significant effects on tic symptoms following rTMS or sham stimulation. Moreover, there was no difference when comparing the effects of both stimulation conditions. Bayesian statistics indicated substantial evidence against an intervention effect. The left BA40 appears not to be a useful target for 1 Hz rTMS to modulate tic symptoms in GTS patients.

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U2 - 10.3390/biomedicines11030980

DO - 10.3390/biomedicines11030980

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The Role of the Left Inferior Parietal Cortex in Gilles de la Tourette Syndrome—An rTMS Study

Abstract

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