TMS-induced artifacts on EEG can be reduced by rearrangement of the electrode’s lead wire before recording

Sekiguchi, Hirofumi; Takeuchi, Shigeki; Kadota, Hideki; Kohno, Yutaka; Nakajima, Yasoichi

doi:10.1016/j.clinph.2010.09.004

Cited by 73 publications

(62 citation statements)

References 18 publications

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“…Смещение электродов под действием электродви-жущих сил [20], вибрация катушки при каждом им-пульсе [3] и сокращения мышц -все это приводит к артефактам на ЭЭГ. В связи с этим при проведении записи ТМС-ЭЭГ рекомендуется надевать на голову испытуемого поверх электродов тонкую шапочку, что минимизирует смещение электродов при располо-жении над ними стимуляционной катушки.…”

Section: том 7 Volunclassified

“…При мно-гоканальной ЭЭГ важно избегать создания петель на проводах, для этого провода от сен-соров следует группировать вместе и макси-мально удалять от силового кабеля стимуляци-онной катушки [4]. Также рекомендуется ориентировать провода перпендикулярно по отношению к ТМС-индуцированному электрическому полю, например, в случае ис-пользования восьмиобразной катушки опти-мальное расположение проводов будет пер-пендикулярно ручке катушки [20].…”

Section: том 7 Volunclassified

See 1 more Smart Citation

Transcranial magnetic stimulation with electroencephalography: methodology, applications for research and cilinics

Nazarova

Blagoveschenskiy

Nikulin

et al. 2017

Neuromuscular Diseases

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Combined use of transcranial magnetic stimulation and electroencephalography (TMS-EEG) is a highly informative cutting edge technology which is relevant for fundamental, clinical and translational research. Unique capabilities of TMS-EEG approach allow to assess the functional state and connectivity of brain regions thus opening new prospects for the evaluation of the TMS effects in non-motor cortical areas. TMS-EEG responses have diagnostic and prognostic potential for many neurological and mental illnesses. Simultaneous co-registration of TMS with EEG remains a technically sophisticated procedure and requires specialized equipment in conjunction with application of complex data analysis techniques. This review describes the details of TMS-EEG technique, principles of the experiment design, the shape and the reproducibility of TMS-evoked responses and applications of this promising approach both in research and in clinics. Key words: transcranial magnetic stimulation with electroencephalography, functional state, connectivity of brain regions, non-motor cortical areas, evoked motor responseВведение Самый простой способ количественной оценки реактивности мозга в ответ на транскраниальную маг-нитную стимуляцию (ТМС) двигательной коры сегодня основан на оценке параметров вызванного моторного ответа (ВМО), регистрируемого с мышцы-мишени накожными электродами для электромиографии (ЭМГ). При стимуляции немоторных областей коры используются опрос испытуемого о возникающих ощу-щениях (например, при ТМС зрительной коры о нали-чии явления фосфенеза) и оценка поведенческих реак-ций (время реакции, ошибки при назывании слов и т. д.). В случае стимуляции моторной коры и регистра-ции ответа с мышцы-мишени порог ВМО можно ис-пользовать лишь для косвенной оценки состояния мозга, так как параметры ВМО зависят от всех уровней двигательной системы -от коры до мышцы. В связи с этим актуальны подходы совмещения ТМС с другими

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Section: том 7 Volunclassified

Transcranial magnetic stimulation with electroencephalography: methodology, applications for research and cilinics

Nazarova

Blagoveschenskiy

Nikulin

et al. 2017

Neuromuscular Diseases

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show abstract

“…A study conducted by Julkunen and colleagues, for example, found a significant reduction of TMS-induced artefacts after puncturing the epithelium under the electrode contacts with custom-made needles [80]. Finally, recent studies have observed that the electrode wire arrangement can also play an important role in reducing TMS-evoked artefacts (e.g., [69,81]). Sekiguchi and coworkers, in particular, tested the effect of coil direction relative to the orientation of the stimulated electrode wire [81].…”

Section: Technical Issuesmentioning

confidence: 99%

“…Finally, recent studies have observed that the electrode wire arrangement can also play an important role in reducing TMS-evoked artefacts (e.g., [69,81]). Sekiguchi and coworkers, in particular, tested the effect of coil direction relative to the orientation of the stimulated electrode wire [81]. The authors observed a great reduction in the artefact amplitude when the coil was placed perpendicularly to the wire direction of the stimulated electrode.…”

Section: Technical Issuesmentioning

confidence: 99%

Transcranial Magnetic Stimulation and Neuroimaging Coregistration

Casula¹,

Tarantino²,

Basso³

et al. 2013

Novel Frontiers of Advanced Neuroimaging

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The development of neuroimaging techniques is one of the most impressive advancements in neuroscience. The main reason for the widespread use of these instruments lies in their capacity to provide an accurate description of neural activity during a cognitive process or during rest. This important advancement is related to the possibility to selectively detect changes of neuronal activity in space and time by means of different biological markers. Specifically, functional magnetic resonance imaging (fMRI), positron emission tomography (PET), single-photon emission computed tomography (SPECT), and nearinfrared spectroscopy (NIRS) use metabolic markers of ongoing neuronal activity to provide an accurate description of the activation of specific brain areas with high spatial resolution. Similarly, electroencephalography (EEG) is able to detect electric markers of neuronal activity, providing an accurate description of brain activation with high temporal resolution. The application of these techniques during a cognitive task allows important inferences regarding the relation between the detected neural activity, the cognitive process involved in an ongoing task, and behaviour: this is known as a “correlational approach”

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“…The magnetic pulse of TMS affects the muscles and motor nerves underneath the coil causing the muscle activation and eye movement, which results in the induction of EEG artifacts. The magnetic pulse of TMS can also excite the somatosensory nerve endings and the coil click activates the auditory system of the subject, which can be seen in EEG as auditory or somatosensory evoked potentials [15]. The effect of artifacts can be attenuated by deleting data with amplitudes over a certain value.…”

Section: Introductionmentioning

confidence: 99%

TMS-induced EEG Artifacts Removal Methods based on Cross-Correlation Coefficients of ICA Components

Lee

Yoo

2013

IJBSBT

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TMS-induced artifacts on EEG can be reduced by rearrangement of the electrode’s lead wire before recording

Cited by 73 publications

References 18 publications

Transcranial magnetic stimulation with electroencephalography: methodology, applications for research and cilinics

Transcranial magnetic stimulation with electroencephalography: methodology, applications for research and cilinics

Transcranial Magnetic Stimulation and Neuroimaging Coregistration

TMS-induced EEG Artifacts Removal Methods based on Cross-Correlation Coefficients of ICA Components

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