An MRI compatible EEG helmet

© Wikimedia commons/Der Lange

The magnetization of MRI devices precludes the use of metallic objects in their vicinity, including electroencephalographic electrodes (EEG). Yet combining these two techniques would help diagnose illnesses such as epilepsy. The Franche-Comté Electronics Mechanics Thermal Science and Optics – Sciences and Technologies (FEMTO-ST) Institute1CNRS/Université de Franche-Comté/ENSMM/Université de Technologie Belfort-Montbéliard. is thus in the process of developing EasyLepsy, the first EEG helmet without metallic sensors, financed by the Grand Est technology transfer company. Its electrodes do not require the application of a gel to the patient, thus allowing measurements to be taken continually or at home. With their level of spatial resolution, these electrodes could also serve as non-invasive probes for electrophoresis, as well as for tumour destruction by plasma, or quality control in electronics.