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oai:repisalud.isciii.es:20.500.12105/234142024-11-28T21:44:48Zcom_20.500.12105_15322com_20.500.12105_2051col_20.500.12105_16967

00925njm 22002777a 4500 dc Rey, Beatriz author Oliver, Alejandro author Monzo, Jose M author Riquelme, Inmaculada author 2022-02 Virtual Reality (VR) is a technology that has been used to provide the Mirror Visual Feedback (MVF) illusion to patients with promising results. In the present work, the goal is to design, develop and test a portable VR-based MVF system that monitors behavioral information about the performance of a simple motor task. The developed application runs in a stand-alone VR system and allows the researcher to select the real and virtual hands used to perform the motor task. The system was evaluated with a group of twenty healthy volunteers (12 men and 8 women) with ages between 18 and 66 years. Participants had to repetitively perform a motor task in four different experimental conditions: two mirror conditions (performing real movements with the dominant and with the non-dominant hand) and two non-mirror conditions. A significant effect of the experimental condition on embodiment score (p < 0.001), response time (p < 0.001), performance time (p < 0.001), trajectory length (p < 0.004) and trajectory maximum horizontal deviation (p < 0.001) was observed. Furthermore, a significant effect of the experimental moment (initial, middle and final parts of the training) on the performance time was observed (p < 0.001). These results show that the monitored parameters provide relevant information to evaluate the participant's task performance in different experimental conditions. Rey B, Oliver A, Monzo JM, Riquelme I. Development and Testing of a Portable Virtual Reality-Based Mirror Visual Feedback System with Behavioral Measures Monitoring. Int J Environ Res Public Health. 2022 Feb;19(4):2276. 10.3390/ijerph19042276 1660-4601 International Journal of Environmental Research and Public Health https://hdl.handle.net/20.500.13003/19536 35206464 L2015684250 2-s2.0-85124596276 https://hdl.handle.net/20.500.12105/23414 763283500001 Mirror visual feedback Virtual reality Behavioral measures Response time Performance time Trajectories Development and Testing of a Portable Virtual Reality-Based Mirror Visual Feedback System with Behavioral Measures Monitoring