本帖最後由 aa00 於 2011-4-15 07:01 PM 編輯 + @9 Y- o1 Y* q( n# b- v% I3 O' Z1 U3 W
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。% p$ _/ ?* _$ J) p2 q1 F
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& j. m' w4 R2 c1 Q咪玩啦....唔該...TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。! i# o8 S6 s+ ?# z% E
Aenergy 發表於 2011-4-14 07:38 AM 
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: [2 ?" C" u$ p; M# iLaughing is good for health 
, P, ], ?) y% I0 J) H4 U* v公仔箱論壇公仔箱論壇6 y! r( \2 R( i# Z" T; m
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TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。3 T+ `& N/ T, O. g2 a# t; _# Z
Virtual reality may lead to real-world improvement for stroke patientsPosted On: April 7, 2011 - 8:30pmtvb now,tvbnow,bttvb7 [. P: P& P) m' D% n
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Virtual reality (VR) and other video games led to significant improvement in arm strength following stroke and could provide an affordable, enjoyable and effective way to intensify treatment, according research reported in Stroke: Journal of the American Heart Association.
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Researchers analyzed seven observational and five randomized trials, representing a total of 195 patients, ages 26 to 88, who had suffered mild to moderate strokes.
% X& k8 V/ Q! `+ ?* UEach study had investigated the effects of electronic games on upper arm strength and function. u& T# x9 l) ]0 f
In the observational studies, there was an average 14.7 percent improvement in motor strength after virtual reality sessions. There was a 20 percent average improvement in motor function, or the ability to perform standard tasks. In the randomized clinical trials, patients who played virtual reality games showed a statistically significant 4.89 times higher chance of improvement in motor strength compared to those who got standard therapy.
( t: L$ P4 p2 M! ~. H公仔箱論壇"Virtual reality gaming is a promising and potentially useful alternative to enhance motor improvement after stroke," said Gustavo Saposnik, M.D., M.Sc., lead author of the study and director of the Stroke Outcomes Research Unit at St. Michael's Hospital at the University of Toronto. "Virtual reality gaming therapy may provide an affordable, enjoyable and effective alternative to intensify treatment and promote motor recovery after stroke."
6 d2 u2 P0 o8 m# C! ?5.39.217.76Between 55 percent and 75 percent of stroke survivors continue to experience motor deficits that reduce their quality of life, yet conventional therapy provides "modest and sometimes delayed effects," said Saposnik, also an assistant professor in the hospital's department of medicine.
4 Y& |! `. F! Y1 n5.39.217.76Recent research indicates the brain has a remarkable potential for remodelling because after injury it shows neuroplasticity, the ability to create new nerve cell connections. Those studies indicate that training designed to maximize the brain's remodelling potential should be challenging, repetitive, task-specific, motivating and novel. All of those are qualities of video-gaming, especially virtual reality systems in which players interact with a multisensory simulated environment via a wireless controller and receive real-time feedback on their performance.公仔箱論壇/ M5 R+ ~& Z/ {- \! b9 d
Saposnik said advantages of virtual reality systems include: 5.39.217.760 H. c2 G; \) q- x/ z2 {
- real-time feedback providing immediate positive reinforcement;
6 V9 D3 i& F9 `/ e `' x5.39.217.76 - multi-sensorial feedback, including vision, hearing and sensory perception;
- computer-assisted movement;
- simple graphics; and
- potential for modifiable speed that enables participation over a wide range of patients including those with a cognitive impairment.
$ J, O! M; Q5 G% b% b6 uAlthough treatment varied by study, most patients played 20 to 30 hours during four to six weeks of therapy on one of several computer-based technology systems: three traditional video game systems (i.e., Glasstron, IREX®, Playstation® Eye Toy® and nine virtual reality systems (i.e., Virtual Teacher, CyberGlove, VR Motion, PneuGlove, Wii™).
* K, j/ O% u% y- gtvb now,tvbnow,bttvbThe observational studies followed patients in treatment to monitor changes over time. The randomized trials – considered more scientifically rigorous – randomly assigned two groups of patients to get either standard or virtual reality therapy.
& [$ D+ ~& q# k& c g6 Q公仔箱論壇Some of the smaller studies added virtual reality or video gaming on top of conventional therapy, which Saposnik said could limit this pooled analysis by skewing results for those who received more therapy. So far, there have been no large (more than 100 patients), randomized, controlled trials that compared the combination of virtual reality with conventional physical and occupational therapy to conventional treatment alone. That kind of study is needed, Saposnik said.
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Source: American Heart Association
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發表於 2011-4-13 11:53 PM
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