Hess
Fakultäten » Medizinische Fakultät » Neurologie, Klinik für » Prof. Dr. Bernhard Hess » Hess
Completed research project
| Title / Titel | Research and education related to brain research in non-human primates: a multidisciplinary European training platform | ||
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| Abstract (PDF, 14 KB) | |||
| Summary / Zusammenfassung | The main objective of current projects in the lab is to investigate vestibular-induced orienting movements and gaze stabilization in the alert head-fixed and head-free rhesus monkey. The experiments focus on gravity-dependent modulations of the vestibulo-ocular (and vestibulo-collic) reflexes during execution of simple behavioral tasks. Proposal 1: Spatial characteristics of visually guided gaze (eye-head) movements during transient off-axis rotations in a stationary visual environment that is statically or dynamically tilted relative to earth vertical. The hypothesis to be tested is that gaze orienting movements under these circumstances are organized such that eye in space stays close to Listing's plane. Proposal 2: Response characteristics of position-vestibular, position-vestibular pause and eye-head cells in the medial and/or superior vestibular nuclei during gaze orienting movements using a similar paradigm as in Proposal 1. The vestibular characteristics of the ensuing orientation responses will be studied in the dark. Aspects of visual-vestibular interactions that do not interfere with orienting responses will be investigated in the light. The question is whether the position-vestibular, position-vestibular pause and eye-head cells in the medial and/or superior vestibular nuclei carry orientation signals. |
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| Publications / Publikationen | Hess BJM, Thomassen JS. Quick phases control ocular torsion during smooth pursuit. J Neurophysiol. 2011 106:2151-66, 2011Thomassen JS, Benedetto GD, Hess BJM. Decoding 3D search coil signals in a non-homogeneous magnetic field. Vision Res. 50:1203-13, 2010 |
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| Keywords / Suchbegriffe | 3D eye and head movements, vestibulo-ocular reflex, inertial vestibular system, visual-vestibular interaction, vestibulo-cerebellum, spatial orientation | ||
| Project leadership and contacts / Projektleitung und Kontakte |
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| Funding source(s) / Unterstützt durch |
EU European Communities EU-Brüssel |
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| In collaboration with / In Zusammenarbeit mit |
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| Duration of Project / Projektdauer | Apr 2005 to Sep 2008 |