Efficacy of a computerized sensor system for evaluation and training of dizzy patients

Chung Lan Kao*, Wan Ling Hsieh, Shuu Jiun Wang, Shih Jen Chen, Shun Hwa Wei, Rai Chi Chan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Patients with vestibular hypofunction often experience dizziness and unsteadiness while moving their heads. Appropriate sensors can effectively detect a patient's dynamic visual acuity and associated body balance control. Forty-one vestibular-deficit patients and 10 normal individuals were invited to participate in this study. Questionnaires, clinical assessment scales and objective measures were evaluated on participants' first visits. After 12 sessions of training, all scales were evaluated again on vestibular-deficit patients. The computerized system was composed of sensors, including a gyro and strain gauges, data acquisition accessories and LabVIEW software. Results revealed that the system could effectively distinguish normal subjects from subjects with vestibular deficits. In addition, after a rehabilitation program, subjects' subjective and objective performances were significantly improved. Based on our results, we concluded that the present system, which uses a gyro and strain gauges, may provide an effective method for assessing and treating vestibular-deficit patients.

Original languageEnglish
Pages (from-to)7602-7620
Number of pages19
Issue number8
StatePublished - Aug 2010


  • Balance
  • Center of pressure
  • Dizziness
  • Dynamic visual acuity
  • Vestibular hypofunction


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