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Abstract #3101

A Non-Intrusive Eye Tracking Based MRI Compatible VR System

Kun Qian1, Tomoki Arichi1, Jonathan Eden2, Sofia Dall'Orso2, Rui Pedro A G Teixeira1, Kawal Rhode1, Mark Neil3, Etienne Burdet2, A David Edwards1, and Jo V Hajnal1

1School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, 2Department of Bioengineering, Imperial College London, London, United Kingdom, 3Department of Physics, Imperial College London, London, United Kingdom

Achieving compatibility of VR systems with MRI scanners is challenging and for applications such as fMRI, it is highly desirable to avoid local distortions of the static magnetic field. We have developed a non-intrusive MR compatible VR system which avoids disturbing the magnetic environment and uses eye tracking as the main interface. Our system demonstrates a capability to bring the VR world into MRI systems, including dynamic interaction with VR content based on gaze, with performance that it is competitive to the current leading commercial gaming eye tracker.

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