抄録
Evaluation of weight sensation should be performed by a physical measurement which also relates to the subjective evaluation. It, therefore, is necessary to find a new method of physical measurement.
This study has shown the relationship between the weight sensation and the electric signal (electromyogram : EMG) generated in a living body.
Stevens' power law is
R=kSn
where our experiments show that n=1, if R is the EMG, k is a constant, and S is the stimulation level (weight load S≥1000 g). The value of the constant k is dependent on the finger (e. g. k=1.6×10-2μV at thumb finger and k=7.4×10-2 μV at middle finger).
