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Does electrode localization in tDCS research matter? A comparison between 10–20 EEG system and MRI-guided neuronavigation

Sara De Witte (UGent) , Deborah Klooster (UGent) , Josefien Dedoncker, Romain Duprat (UGent) , Jonathan Remue (UGent) and Chris Baeken (UGent)
(2017) EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE. In European Archives of Psychiatry and Clinical Neuroscience 267(Supplement 2). p.S148-S148
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Abstract
Although the 10–20 EEG system is frequently used to locate the dorsolateral prefrontal cortex (DLPFC) in tDCS research, due to intersubject brain variability, this method may have limited target accuracy and may result in suboptimal stimulation. To address this issue, we compared left DLPFC-localization via the 10–20 EEG system to MRI-guided neuronavigation in forty healthy female participants within the same age range. Compared to the 10–20 EEG system, MRI-guided neuronavigation localizes the DLPFC-targeting anode more latero-posteriorly. Furthermore, tDCS-induced electric fields (derived from one subject) suggest that these different localization methods induce different electric fields in distinct brain regions. Our findings indicate that prefrontal tDCS targeting methods result in distinct electrode localizations, each of which suggested being associated to unique underlying electric field distributions. Considering the frequent use of tDCS in research, an evaluation and direct comparison of the outcome of both targeting methods is therefore warranted.

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MLA
De Witte, Sara, et al. “Does Electrode Localization in TDCS Research Matter? A Comparison between 10–20 EEG System and MRI-Guided Neuronavigation.” EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE, vol. 267, no. Supplement 2, 2017, pp. S148–S148.
APA
De Witte, S., Klooster, D., Dedoncker, J., Duprat, R., Remue, J., & Baeken, C. (2017). Does electrode localization in tDCS research matter? A comparison between 10–20 EEG system and MRI-guided neuronavigation. EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE, 267(Supplement 2), S148–S148.
Chicago author-date
De Witte, Sara, Deborah Klooster, Josefien Dedoncker, Romain Duprat, Jonathan Remue, and Chris Baeken. 2017. “Does Electrode Localization in TDCS Research Matter? A Comparison between 10–20 EEG System and MRI-Guided Neuronavigation.” In EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE, 267:S148–S148.
Chicago author-date (all authors)
De Witte, Sara, Deborah Klooster, Josefien Dedoncker, Romain Duprat, Jonathan Remue, and Chris Baeken. 2017. “Does Electrode Localization in TDCS Research Matter? A Comparison between 10–20 EEG System and MRI-Guided Neuronavigation.” In EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE, 267:S148–S148.
Vancouver
1.
De Witte S, Klooster D, Dedoncker J, Duprat R, Remue J, Baeken C. Does electrode localization in tDCS research matter? A comparison between 10–20 EEG system and MRI-guided neuronavigation. In: EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE. 2017. p. S148–S148.
IEEE
[1]
S. De Witte, D. Klooster, J. Dedoncker, R. Duprat, J. Remue, and C. Baeken, “Does electrode localization in tDCS research matter? A comparison between 10–20 EEG system and MRI-guided neuronavigation,” in EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE, Munich, Germany, 2017, vol. 267, no. Supplement 2, pp. S148–S148.
@inproceedings{01H02F2Z3C22PR35V34B9HKJAJ,
  abstract     = {{Although the 10–20 EEG system is frequently used to locate the
dorsolateral prefrontal cortex (DLPFC) in tDCS research, due to intersubject
brain variability, this method may have limited target accuracy
and may result in suboptimal stimulation. To address this issue,
we compared left DLPFC-localization via the 10–20 EEG system to
MRI-guided neuronavigation in forty healthy female participants
within the same age range. Compared to the 10–20 EEG system,
MRI-guided neuronavigation localizes the DLPFC-targeting anode
more latero-posteriorly. Furthermore, tDCS-induced electric fields
(derived from one subject) suggest that these different localization
methods induce different electric fields in distinct brain regions. Our
findings indicate that prefrontal tDCS targeting methods result in
distinct electrode localizations, each of which suggested being associated
to unique underlying electric field distributions. Considering
the frequent use of tDCS in research, an evaluation and direct comparison
of the outcome of both targeting methods is therefore
warranted.}},
  articleno    = {{P-09}},
  author       = {{De Witte, Sara and Klooster, Deborah and Dedoncker, Josefien and Duprat, Romain and Remue, Jonathan and Baeken, Chris}},
  booktitle    = {{EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE}},
  issn         = {{0940-1334}},
  language     = {{eng}},
  location     = {{Munich, Germany}},
  number       = {{Supplement 2}},
  pages        = {{P-09:S148--P-09:S148}},
  title        = {{Does electrode localization in tDCS research matter? A comparison between 10–20 EEG system and MRI-guided neuronavigation}},
  volume       = {{267}},
  year         = {{2017}},
}