Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Virtual Reality Tremor Reduction in Parkinson's Disease

Version 1 : Received: 26 February 2020 / Approved: 29 February 2020 / Online: 29 February 2020 (03:56:19 CET)

How to cite: Cornacchioli, J.; Galambos, A.; Rentouli, S.; Canciello, R.; Marongiu, R.; Cabrera, D.; Njie, E.G. Virtual Reality Tremor Reduction in Parkinson's Disease. Preprints 2020, 2020020452 (doi: 10.20944/preprints202002.0452.v1). Cornacchioli, J.; Galambos, A.; Rentouli, S.; Canciello, R.; Marongiu, R.; Cabrera, D.; Njie, E.G. Virtual Reality Tremor Reduction in Parkinson's Disease. Preprints 2020, 2020020452 (doi: 10.20944/preprints202002.0452.v1).

Abstract

Multidisciplinary neurotechnology holds the promise of understanding and non-invasively treating neurodegenerative diseases. In this preclinical trial on Parkinson's disease (PD), we combined neuroscience together with the nascent field of medical virtual reality and generated several important observations. First, we established the Oculus Rift virtual reality system as a potent measurement device for parkinsonian involuntary hand tremors (IHT). Interestingly, we determined changes in rotation were the most sensitive marker of PD IHT. Secondly, we determined parkinsonian tremors can be abolished in VR with algorithms that remove tremors from patients' digital hands. We also found that PD patients were interested in and were readily able to use VR hardware and software. Together these data suggest PD patients can enter VR and be asymptotic of PD IHT. Importantly, VR is an open-medium where patients can perform actions, activities, and functions that positively impact their real lives - for instance, one can sign tax return documents in VR and have them printed on real paper or directly e-sign via internet to government tax agencies. Lastly, we generated a technical framework wherein movements in the real world can be measured side-by-side with those in virtual reality. With this framework, we observed anecdotal evidence of parkinsonian tremors being reduced in real life when our algorithms abolished digital hand tremors in VR.

Subject Areas

neurodegeneration; Parkinson's disease; essential tremor; Deep Brain stimulation; Levodopa; Virtual Reality; Oculus Rift; Medical Virtual Reality; Tremor stabilization; Equalizers

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