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Author Response

This excerpt was created in the absence of an abstract.

Dr Horak is credited with the development of a "simple" clinical test of balance used in our study.¹ We believe, however, that the interpretation of the sensory organization test (SOT) recommended in the commentary by Dr Horak is highly speculative. For example, Dr Horak suggests that the SOT results (see Fig. 1 in our article) indicated that elders in our study had a vestibular loss rather than a deficit in the integration of somatosensory information. We disagree with this interpretation for several reasons:

1. No direct measure of vestibular function can be made from the SOT. One can only observe balance during various stance conditions designed to manipulate visual and/or somatosensory information. When supporting otologic tests are not available or feasible, the role of the vestibular system must be inferred....

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Influence of Sensory Inputs on Standing Balance in Community-Dwelling Elders with a Recent History of Falling

Susan L Anacker and Richard P Di Fabio
Physical Therapy 1992 72: 575-581. [Abstract] [PDF]