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Table 1 Key elements of interactive game-based virtual reality rehabilitation system

From: A task-specific interactive game-based virtual reality rehabilitation system for patients with stroke: a usability test and two clinical experiments

Component Key elements
Device Stable system, accuracy of the controller recognition
Design Goal oriented task-specific contents, diversity of training and game contents not to lose interest, interactive and entertaining elements to be immersed in the game, tutorials to present explanation
Difficulty Easy and slow to feel sense of accomplishment, adjustable to match individual level of performance and to maintain interest
Scoring Scoring system to reflect exact performance status, Scoring to compete with other participants
Sound Sound consistent with the results of performance for feedback, exciting and exaggerated effect sound to promote interest
Graphics Simple graphics not to distract attention, Fun elements to provide positive experience