Materials and methods
2.1. Subjects
Twelve male University staff and students (aged 27
±
2 years)
with no history of neuropathy participated in the study. The subjects
read instructions and gave consent before commencing the
experiment that was approved by the Human Experimentation
Safety and Ethics Committee of the ISVR at the University of
Southampton.
2.2. Experimental conditions
Using an HVLab Vibrotactile Perception Meter (i.e. VPM), thresholds
for the perception of 20 Hz and 160 Hz vibration were