Active_comparator: Action Observation Therapy

During each training session, participants were asked to observe a specific object-directed daily action presented on a computer screen, and afterward they performed what they have observed, 5 repetitions of each task, time duration was noted.~16 motor tasks related to their daily living that were performed with their own hands which are following~1. Folding a towel~2. Cutting a toilet roll~3. Using scissors~4. Tightening shoelaces~5. Opening and closing a square airtight container~6. Opening a bottle top~7. Turning a faucet~8. Using a field of billfold~9. Drinking water~10. Setting a seal~11. Changing batteries~12. Opening and closing a zipper~13. Turning over pages of a book~14. Plugging the outlet~15. Spraying water with a sprayer~16. Sorting chopsticks and spoons and putting them in a box • The participants were advised to keep focusing on their affected arm/hand action observational tasks

Experimental: Action Observation Therapy combined with Virtual Reality

In the VRT group, participants will execute VR-based activities conducted by the same therapist .~* 16 tasks will be assigned in each session. VR SHINECON 3D Glasses will be used~* The virtual environment was set in a 6 m2 physical space~* At the beginning of each session, the participant will sit in the center of the set zone and will be assisted to wear the VR glasses~* After the participant will confirm that the sight and sound is clear and comfortable, the tasks mentioned in action observation therapy will be done using virtual reality videos~* The Extrinsic feedback will be provided, including the time left, number of repetitions, and record number of repetitions