What type of study is this?

This is a Experimental Study study.

September 17, 2025

Wireless Integrated Sensing Detector for simultaneous EEG and MRI (WISDEM)

Key Points

The WISDEM device enables simultaneous recording of EEG and fMRI without interference from MRI artifacts.
It successfully encodes EEG and fMRI signals onto separate sidebands for detection during fMRI sequences.
The study demonstrates a positive correlation between evoked local field potentials and fMRI signals.
This innovative transducer paves the way for enhanced brain mapping across different scales.

Abstract

Motivation: Perform simultaneous EEG and fMRI using a compact and wireless detector that can continuously record EEG signals in the presence of switching gradients. Goal(s): However, MRI scanners generate tremendous artifacts for EEG detection. Approach: A Wireless Integrated Sensing Detector for simultaneous EEG and MRI (WISDEM) is developed to encode fMRI and EEG signals on distinct sidebands of the detector's oscillation carrier wave for detection by a standard MRI console over the entire duration of fMRI sequence. Results: From optogenetically-stimulated somatosensory cortex, the positive correlation between evoked LFP and fMRI signals validates strong neurovascular coupling. Impact: This 2-in-1 transducer will enable cross-scale brain mapping.

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Cite This Study

Qian et al. (Tue,) studied this question.

synapsesocial.com/papers/68d45b0b31b076d99fa5d2e6 https://doi.org/https://doi.org/10.58530/2025/3304

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