Abstract
Ss pointed with each hand at a light or at the unseen toe and looked in the direction of the unseen toe before, during, and after training one arm to point to a visual target which was progressively displaced to one side by a prism. Results show that a proprioceptive change in the trained arm is a universal component of the adaptation. When a change in the eye-head system occurs, it and the proprioceptive change in the arm sum to the total adaptation and it is accompanied by a predictable degree of intermanual transfer of the adaptation, as a felt-position theory of adaptation would predict. However, when there is no change in the eye-head system, the proprioceptive shift is not always sufficient to account for the total adaptive shift.
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This research was supported by N.R.C. Grants APA 299 and APA 0195.
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Templeton, W.B., Howard, I.P. & Wilkinson, D.A. Additivity of components of prismatic adaptation. Perception & Psychophysics 15, 249–257 (1974). https://doi.org/10.3758/BF03213941
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DOI: https://doi.org/10.3758/BF03213941