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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