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Abstract #1179

The RF Cap: a 26-channel flexible RF-coil cap for optimized concurrent TMS/fMRI and TMS/EEG/FMRI acquisition at 3T.

Lucia Navarro de Lara1,2, Sebastian Ardila1, Jason P Stockmann1,2, Lincoln Craven-Brightman1, Mohammad Daneshzand1,2, Yixin Ma1,2, Lawrence L Wald1,2, Jyrki Ahveninen1,2, and Aapo Nummenmaa1,2
1Radiology, A. A. Martinos Center for Biomedical Imaging/MGB, Charlestown, MA, United States, 2Harvard Medical School, Boston, MA, United States

Synopsis

Keywords: RF Arrays & Systems, Brain, TMS/fMRI, MRI of Neuromodulation

Motivation: Combining brain imaging methods with non-invasive brain stimulation including TMS is a rapidly expanding field with the potential to drastically improve the understanding of brain function. However, there is a need for optimized hardware solutions for these acquisitions.

Goal(s): Developing a new RF coil to support MRI of Neuromodulation in line with the newly founded ISMRM Study group.

Approach: We constructed a wearable RF Cap that enhances sensitivity and enables parallel imaging with high acceleration factors while offering flexible positioning of the TMS coil.

Results: Our RF Cap shows a drastically improvement over existing setups for full-brain concurrent TMS/fMRI experiments.

Impact: To enable concurrent MRI and neuromodulation we present a first-of-its-kind wearable RF cap that will allow full brain concurrent TMS/fMRI and TMS/EEG/fMRI acquisitions with high sensitivity and using high acceleration factors.

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Keywords