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Head eye co-ordination using simultaneous measurement of eye in head and head in space movements: potential for use in subjects with a whiplash injury.
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
2009 (English)In: Journal of clinical monitoring and computing, ISSN 1387-1307, E-ISSN 1573-2614, Vol. 23, no 1, 31-40 p.Article in journal (Refereed) Published
Abstract [en]

Objective. Describe reproducibility of a measurement method to investigate deficits in eye-head co-ordination. Methods. Combined recordings of head and eye rotation using wireless motion sensors and electro-oculography (EOG) were used as an initial step towards a method to quantify eye-head co-ordination deficits. Head rotation to the side during gaze fixation and sequential head and eye movements were studied on 20 asymptomatic control subjects and six subjects with chronic whiplash disorders. All included whiplash subjects reported eye disturbances according to a vision symptom questionnaire. Results. The trial-to-trial reproducibility was moderate to high for 24 of 28 variables (Intraclass Correlation Coefficient 0.44 to 0.87). Velocity gain (ratio of eye and head velocities) was on average close to unity in both groups. Head stability was high in control subjects, while three of six whiplash subjects demonstrated head instability during eye movement. Whiplash subjects also demonstrated a decreased range of head movement during gaze fixation and lower head velocities as compared with the asymptomatics. Conclusions. The method of combined head and eye motion appears to give accurate, repeatable measurements. Case studies of whiplash subjects indicated deficits in head eye co-ordination. The method could be useful in further clinical research into eye and head movement in those with neck disorders.

Place, publisher, year, edition, pages
Springer , 2009. Vol. 23, no 1, 31-40 p.
Keyword [en]
whiplash, head eye coordination, head movement, gaze stability, eye disturbances, monitoring
URN: urn:nbn:se:umu:diva-46160DOI: 10.1007/s10877-009-9160-5PubMedID: 19199060OAI: diva2:437164
Available from: 2011-08-26 Created: 2011-08-26 Last updated: 2011-08-29Bibliographically approved

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Grip, Helena
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