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Abstract #1754

Potential source of MRI signal change during transcranial direct current stimulation

Guoxiang Liu1,2, Takashi Ueguchi1,2, Ikuhiro Kida1,2, Ken-ichi Okada1,2, and Yasushi Kobayashi1,2

1National Institute of Information and Communications Technology, Suita-shi,Osaka, Japan, 2Osaka University, Suita-shi, Osaka, Japan

In this work, we implemented tDCS experiments on a monkey brain and a phantom at a 7T human MRI scanner to investigate the possibility to measure current flow during tDCS. Our results showed that imaging distortions caused by current in lead wires but not in brain is a possible source of BOLD-like MRI signal changes.

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