Figure 15From: Design and preliminary evaluation of the FINGER rehabilitation robot: controlling challenge and quantifying finger individuation during musical computer game playAverage and standard deviation of the index and middle finger individuations versus average actual success rates of three groups of highly impaired, moderately impaired and unimpaired subjects. Finger individuation was quantified as the ratio of the normalized force generated by the finger that was not supposed to move to that of the finger that was during blocked notes.Back to article page