THE RELATIONSHIP BETWEEN SUBJECTIVE AND OBJECTIVE MEASURES OF SIMULATOR-INDUCED ATAXIA

Authors
  1. Kantor, L.
  2. Magee, L.E.
  3. Hamilton, K.M.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
Subjective reports of simulator-induced ataxia are difficult to corroborate using objective tests of balance. Two reasons for this are ceiling and practice effects that occur with objective tests of balance. In the present experiment an attempt was made to overcome these problems. Postural control was assessed subjectively following exposure to a general purpose flight simulator and objectively using four balance tests specifically designed to avoid ceiling effects. The experimental design was intended to control for practice. Despite these procedures, subjective reports of disequilibrium following training were verified by only one of the balance tests; the Walk On Rail Eyes Open (WOREO) was reliable in showing loss of postural control. The results suggest that the WOREO should be used as an objective test for studying postural disequilibrium following simulator exposure.
Report Number
DCIEM-89-RR-28 — Research Report
Date of publication
15 Jun 1989
Number of Pages
19
DSTKIM No
89-03560
CANDIS No
61456
Format(s):
Hardcopy;Originator's fiche received by DSIS

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