Meeting Banner
Abstract #2106

Modification of a Standard MR-compatible EEG Cap for Improved EEG Neurofeedback with Simultaneous fMRI

Vadim Zotev 1 , Ahmad Mayeli 1,2 , and Jerzy Bodurka 1,3

1 Laureate Institute for Brain Research, Tulsa, OK, United States, 2 Electrical and Computer Engineering, University of Oklahoma, Tulsa, OK, United States, 3 College of Engineering, University of Oklahoma, Tulsa, OK, United States

Implementation of EEG neurofeedback (EEG-nf) with simultaneous fMRI requires an accurate removal of EEG-fMRI artifacts in real time. We describe a simple and safe modification of a standard MR-compatible EEG cap that substantially improves signal quality for EEG-nf based on frontal EEG asymmetry. The modified cap includes two reference contours for two frontal EEG channels used to provide EEG-asymmetry-nf. Subtraction of fitted reference signals provides random-motion and cardioballistic artifact power suppression by 6...8 dB. The proposed EEG signal correction should be performed in real time after the MR artifact removal and prior to the average cardioballistic artifact subtraction.

This abstract and the presentation materials are available to members only; a login is required.

Join Here