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Chapter 22
Functional Near-Infrared
Spectroscopy for
Autorehabilitation Cyber-
Physical Systems: Toward
Intelligent Signal Processing
for Rehab Progress Indication
Fei Hu and David Brown
22.1 Autorehabilitation System
Most disabilities are from neurodiseases (such as stroke and brain trauma or other nonnatural
reasons such as arthritis). Many in-clinic rehab-training methods are still based on labor-intensive
assistance from physical therapists (PTs). Because the patient needs hazard-based training (e.g.,
intentionally using slippery surface to walk or using intervention to reduce fall risk) [1,2], it
is very difficult and tiring for a PT to ...