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Computer Games Speed Up And Improve Recovery From Paralysis After Stroke

games used in the studyComputer games are not just for kids. New research published in Journal of NeuroEngineering and Rehabilitation, a BioMed Central open access journal, shows that computer games can speed up and improve a patient’s recovery from paralysis after a stroke. Check the end of this report for a link to download this open access study.

It is often difficult for stroke victims to recover hand and arm movement and 80-90% of sufferers still have problems six months later. American scientists looked at a group of people who had impaired use of one arm after a stroke and found that computer simulations and cutting edge techniques used by the film industry to produce computer generated action could restore lost function.

While many current training regimes concentrate on regaining hand and arm movement separately, the computer games and robotic training aids used in this trial attempted to simultaneously improve function of both together. The games Plasma Pong and Hammer Task were used to improve hand/arm coordination, accuracy and speed, while the Virtual Piano and Hummingbird Hunt simulations helped to restore precision of grip and individual finger motion.

video games used in the study

Screen shots for simulations utilized during this training study. a. Plasma Pong, b. Hummingbird Hunt, c. Hammer Task, d. Virtual Piano. e. Training setup.

After training for 2 to 3 hours per day for eight days, all of the patients showed increased control of hand and arm during reaching. They all had better stability of the damaged limb, and greater smoothness and efficiency of movement. Kinematic analysis showed that they also had improved control over their fingers and were quicker at all test tasks. In contrast, their uninjured arm and the arms of control game players, who had normal hand/arm function, showed no significant improvement at all.

Dr. Alma Merians said, “Patients who played these games showed an average improvement in their standard clinical scores of 20-22% over the eight days. These results show that computer games could be an important tool in the recovery of paralysed limbs after stroke.”

Material adapted from BioMed Central Limited.

Download / Reference
Alma S Merians, Gerard G Fluet, Qinyin Qiu, Soha Saleh, Ian Lafond, Amy Davidow and Sergei V Adamovich (in press). Robotically Facilitated Virtual Rehabilitation of Arm Transport Integrated With Finger Movement in Persons with Hemiparesis. Journal of NeuroEngineering and Rehabilitation

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