rehabilitation gaming system

Paul F.M.J. Verschure Catalan Institute for Advanced Studies (ICREA),Technology DepartmentUniversitat Pompeu FabraBarcelona, Spainpaul.verschure@upf.eduspecs.upf.edu

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Understand

Build

Repair

The most advanced information processing machine we know

The seat of all our experience

The most complex machine in the universe

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About Stroke

• Annual incidence– USA: 600,000 annually (100,000 recurrences) *

– World: 4.6 million annually

– Catalunya 14000/yr

• Increasing prevalence (incidence, mortality)

• cost of 102 billion $ in US and EU combined

• by 2030 major cause of disability/loss of quality of life among adults (WHO)

• ~60% of stroke patients experience long-lasting activity limiting arm and hand motor dysfunctions, mood disorders, chronic pain. **

* AHA, Heart Disease and Stroke Statistics- 2003 Update. Dallas, American Heart Association, 2002

** Cauraugh Restorative Neurology and Neuroscience 2004

Husney & Traughber, 2008

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What we do today

7

Mirror Neurons: a substrate for accessing the motor system through vision

Gallese et al., 1996, Brain, 119: 593-609

Action execution

Action observation

RGS SetupRGS Setup

Data glove

Biosensing

Webcam

User score readout

Game display

Virtual body

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Markers

RGS game table top

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QuickTime™ and a decompressor

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QuickTime™ and a decompressor

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PECRO, Pontedera (IT) Hocoma, Volketswil (CH)

RGS individualization control loop based on a psychometric model

RGS: Performance

Latency: ± 3std

Speed: ± 3std

Smoothing span: 5

T-test (p)

RGS_CA=0.1817

RGS_CB=0.0459

CA_CB=0.7181

Clinical Impact

RGS: Translation into a commercial telemedicine prototype

Launch as an @home therapy system