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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-10114

Olasagasti, I; Bockisch, C J; Zee, D S; Straumann, D (2008). Cyclovergence evoked by up-down acceleration along longitudinal axis in humans. Progress in Brain Research, 171:319-322.

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We present results of a study of torsional eye movements evoked by earth-vertical accelerations along the subject's longitudinal axis. The earth-vertical stimulus leads to a gravito-inertial acceleration vector that changes magnitude but not direction. It can therefore be viewed as a dynamic change of the gravity level. Up-down oscillations induced relatively symmetric cyclovergence (0.6-2.2 degrees peak-to-peak). Eyes intorted/extorted for higher/lower effective gravity. The phase of this modulation was small relative to chair acceleration. We contrast this behaviour to the dynamics of cycloversion in response to interaural acceleration, which shows a considerably larger phase lag. This strikingly different dynamics suggest a different processing of otolith signals during interaural and longitudinal stimulation.


1 citation in Web of Science®
1 citation in Scopus®
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83 downloads since deposited on 12 Jan 2009
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
04 Faculty of Medicine > University Hospital Zurich > Ophthalmology Clinic
04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > Neuroscience Center Zurich
04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Deposited On:12 Jan 2009 15:40
Last Modified:05 Apr 2016 12:49
Publisher DOI:10.1016/S0079-6123(08)00646-8
PubMed ID:18718320

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