Virtual Reality Mirrors Therapy Usability

Condition(s) studied

Investigational drug(s) / intervention(s)

Virtual Reality Mirror Therapy: Participants will be seated on a chair with back support, their feet in contact with the ground, and both arms placed on a table. Data from participants' right forearms will be collected using Leap Motion tracking. In the virtual reality environment, both the original and mirrored forearms will be displayed within the participants' field of view. The mirror therapy session will consist of two 15-minute segments with a 10-minute rest period in between. Activities to be practiced during the session will include wrist flexion and extension, forearm pronation and supination, finger flexion and extension, finger opposition movements, squeezing a cloth, grasping a round object, wiping a table, and object manipulation. The therapy program will follow a progression from simple to complex and functional movements throughout the session. Session will begin with basic exercises such as flexion and extension movements of the fingers, wrist, and elbow, with 10 repetitions for each movement.

Conventional Mirror Therapy: Participants will be seated on a chair with back support, their feet in contact with the ground, and both arms placed on a table. Activities to be practiced during the session will include wrist flexion and extension, forearm pronation and supination, finger flexion and extension, finger opposition movements, squeezing a cloth, grasping a round object, wiping a table, and object manipulation. The therapy program will follow a progression from simple to complex and functional movements throughout the session. Session will begin with basic exercises such as flexion and extension movements of the fingers, wrist, and elbow, with 10 repetitions for each movement.

Sham Virtual Reality: Participants will experience virtual environments while seated and wearing a virtual reality headset, without interacting with the environment. The sham mirror therapy session will consist of two 15-minute segments with a 10-minute rest period in between.

Study summary

Mirror therapy has been shown to support motor recovery by stimulating neural mechanisms through visual feedback. Recent technological advancements, particularly in virtual reality (VR), have enabled the development of more immersive and interactive rehabilitation tools. This study focuses on evaluating the usability of a novel, Leap Motion-based Virtual Reality Mirror Therapy (VRMT) system designed to enhance upper limb rehabilitation in stroke patients by combining traditional mirror therapy principles with engaging, gamified digital environments.

Eligibility

Primary outcome measure(s)

• Simulator Sickness Questionnaire — One hour
  "The SSQ evaluates 16 symptoms-including eye strain, nausea, sweating, and headache-using a four-point scale (none, mild, moderate, and severe). These symptoms are categorized into three overlapping subscales: nausea, oculomotor discomfort, and disorientation. Higher scores within each subscale reflect more intense experiences of simulator sickness. In military aviation contexts, a total SSQ score above 20 is typically interpreted as indicative of poor tolerance to simulation exposure. The total score generally ranges from 0 to 30, with higher scores indicating lower tolerance to simulated environments.

Trial sites (2)

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