BCI	Brain–Computer Interface
BMI	Brain–Machine Interface
Ctrl	Control
°C	Degrees Celsius
FFF	Foot-to-Forearm Feedback
GEI	Global User Experience Index
Hz	Hertz
IR	Infrared
Kg	Kilogram
LiDAR	Light Detection and Ranging
M	Meter
Mm	Millimeter
N/A	Non-Applicable (not tested)
PAS	Paired Associative Stimulation
RGB	Red Green Blue
SCI	Spinal Cord Injury
SEM	Standard Error of the Mean
SIJ	Sacroiliac joint
USB	Universal Serial Bus
VR	Virtual Reality