Table 1.

Difference limens (in Newtons) for discriminating tangential force

Standard tangential force
1.0 N 1.6 N
Subject
    S1 0.216 0.258
    S2 0.094 0.201
    S3 0.157 0.230
    S4 0.188 0.231
    S5 0.139 0.256
    S6 0.193 0.321
    S7 0.177 0.304
    S8 0.138 0.212
Mean ± SE 0.163 ± 0.014 0.252 ± 0.015
Weber fraction 0.16 0.16
  • For each subject, difference limens were calculated for two series (1 N standard tangential force and 2.5 N normal force; 1.6 N standard tangential force and 4 N normal force). Weber fractions were calculated by dividing the mean difference limens by the respective standard tangential force.