Research Topics
| Robert J PeterkaSummaryAffiliation: Oregon Health and Science University Country: USA Publications
Research Grants
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Detail Information
Publications
Simplifying the complexities of maintaining balanceRobert J Peterka
Neurological Sciences Institute, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, OR 97006, USA
IEEE Eng Med Biol Mag 22:63-8. 2003
Use of galvanic vestibular feedback for a balance prosthesisRobert J Peterka
Department of Biomedical Engineering, Oregon Health and Science University, Portland, OR 97239, USA
Conf Proc IEEE Eng Med Biol Soc 2012:6137-40. 2012....- Sensorimotor integration in human postural controlR J Peterka
Neurological Sciences Institute, Oregon Health and Science University, Portland, Oregon 97006, USA
J Neurophysiol 88:1097-118. 2002..Overall results show that the simple act of standing quietly depends on a remarkably complex sensorimotor control system... 
Comparison of human and humanoid robot control of upright stanceRobert J Peterka
Biomedical Engineering Division, Oregon Health and Science University, OHSU West Campus, 505 NW 185th Avenue, Beaverton, OR 97006, USA
J Physiol Paris 103:149-58. 2009..The human system may serve as a guide for improved robot control, but should not be directly copied because the constraints on robot and human control are different...- Dynamic regulation of sensorimotor integration in human postural controlRobert J Peterka
Neurological Sciences Institute, Oregon Health and Science University, Portland, Oregon 97006, USA
J Neurophysiol 91:410-23. 2004.... - Origin of orientation-dependent asymmetries in vestibulo-ocular reflexes evoked by caloric stimulationRobert J Peterka
Neurological Sciences Institute, OHSU West Campus, Building 1, 505 NW 185th Ave, Beaverton, OR 97006, USA
J Neurophysiol 92:2333-45. 2004..These components evoke a horizontal angular VOR and linear VOR, which combine additively in the supine orientation, but subtract in the prone orientation, thus accounting for the majority of the observed prone/supine asymmetry... - Determining the effectiveness of a vibrotactile balance prosthesisRobert J Peterka
Neurological Sciences Institute, Oregon Health and Science University, Portland, 97006, USA
J Vestib Res 16:45-56. 2006..Although this method was illustrated using a specific balance prosthesis, the method is general and could be applied to balance prostheses that utilize other technology... - Pulse-step-sine rotation test for the identification of abnormal vestibular functionRobert J Peterka
Neurological Sciences Institute, Oregon Health and Science University, Portland, Oregon 97006, USA
J Vestib Res 15:291-311. 2005.... - Postural after-effects of stepping on an inclined surfaceJoann Kluzik
Neurological Sciences Institute, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, OR 97006 3499, USA
Neurosci Lett 413:93-8. 2007.... - Influence of stance width on frontal plane postural dynamics and coordination in human balance controlAdam D Goodworth
Oregon Health and Science University, Division of Biomedical Engineering, Department of Science and Engineering, Portland, Oregon 97006, USA
J Neurophysiol 104:1103-18. 2010.... - Adaptation of postural orientation to changes in surface inclinationJoann Kluzik
Neurological Sciences Institute, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, OR 97006 3499, USA
Exp Brain Res 178:1-17. 2007.... - Interaction between otolith organ and semicircular canal vestibulo-ocular reflexes during eccentric rotation in humansClaire C Gianna-Poulin
Neurological Sciences Institute, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, OR 97006, USA
Exp Brain Res 185:485-95. 2008..e. algebraic summation) between otolith organ and horizontal canal VORs for the generation of horizontal compensatory eye movements during head motion... - Contribution of sensorimotor integration to spinal stabilization in humansAdam D Goodworth
Department of Science and Engineering, Oregon Health and Science University, Portland, OR, USA
J Neurophysiol 102:496-512. 2009..For visual tilt stimuli, model parameters indicated that subjects shifted toward reliance on vestibular and proprioceptive information and away from visual information as the stimulus amplitude increased... - Influence of feedback parameters on performance of a vibrotactile balance prosthesisAdam D Goodworth
Department of Biomedical Engineering, Oregon Health and Science University, Portland, OR 97239, USA
IEEE Trans Neural Syst Rehabil Eng 17:397-408. 2009..6 Hz. Finally, we created a postural model that accounted for the experimental results and gave insight into how vibrotactile information was incorporated into the postural control system... - Stimulus-dependent changes in the vestibular contribution to human postural controlMassimo Cenciarini
Neurological Sciences Institute, Oregon Health and Science University, 505 NW 185th Ave, Beaverton, OR 97006, USA
J Neurophysiol 95:2733-50. 2006..GVS-evoked sway increased with increasing SS amplitude, and Wp measures derived from responses to GVS and from responses to SS rotations were highly correlated... - Use of a visual guide to improve the quality of VOR responses evoked by high-velocity rotational stimuliClaire C Gianna-Poulin
Neurological Sciences Institute, Oregon Health and Science University, Portland, Oregon 97006, USA
J Vestib Res 18:15-24. 2008..We also found that the visual guide did not induce visual suppression because VOR gain measures were not diminished... - Sensorimotor integration for multisegmental frontal plane balance control in humansAdam D Goodworth
OHSU West Campus, 505 NW 185th Ave, Beaverton, OR 97006, USA
J Neurophysiol 107:12-28. 2012..The proposed model refines our understanding of sensorimotor integration during balance control by including multisegmental motion and explaining how intersegmental interactions influence frontal plane balance responses... - Influence of bilateral vestibular loss on spinal stabilization in humansAdam D Goodworth
Division of Biomedical Engineering, Department of Science and Engineering, Oregon Health and Science University, Portland, Oregon, USA
J Neurophysiol 103:1978-87. 2010..In BVLs, proprioceptive information signaling the UB orientation relative to the fixed lower body provided the vertical reference, whereas in Cs, vestibular information also contributed to the vertical reference... - Diabetic neuropathy and surface sway-referencing disrupt somatosensory information for postural stability in stanceFay B Horak
Neurological Sciences Institute, Oregon Health and Science University, Portland, Oregon, USA
Somatosens Mot Res 19:316-26. 2002.... - Postural compensation for unilateral vestibular lossRobert J Peterka
Department of Biomedical Engineering, Oregon Health and Science University Portland, OR, USA
Front Neurol 2:57. 2011..Furthermore, there was some tendency for UVL subjects who were less able to utilize remaining vestibular information to also indicate worse functional compensation on questionnaires... - Effects of practicing tandem gait with and without vibrotactile biofeedback in subjects with unilateral vestibular lossMarco Dozza
Department of Electronics, Computer Sciences and Systems, University of Bologna, Bologna, Italy
J Vestib Res 17:195-204. 2007.... - A new interpretation of spontaneous sway measures based on a simple model of human postural controlChristoph Maurer
Neurologische Universitatsklinik, Neurozentrum, Breisacher Str 64, 79106 Freiburg, Germany
J Neurophysiol 93:189-200. 2005..We found that modest increases in stiffness and damping and a fairly large increase in noise level with aging could account for the variety of sway measures reported in the literature for elderly subjects... - Differences in preferred reference frames for postural orientation shown by after-effects of stance on an inclined surfaceJoann Kluzik
Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, USA
Exp Brain Res 162:474-89. 2005.... - Sensory contributions to the control of stance: a posture control modelThomas Mergner
Neurological University Clinic, Freiburg, Germany
Adv Exp Med Biol 508:147-52. 2002..Model simulations parallel our experimental findings so far obtained...
Research Grants
- SENSORIMOTOR INTEGRATION IN HUMAN POSTURAL CONTROLRobert Peterka; Fiscal Year: 2002..A better understanding of these active regulatory processes may lead to new rehabilitation methods and improved clinical balance function tests. ..
- NEW METHOD TO IDENTIFY UNILATERAL VESTIBULAR DYSFUNCTIONRobert Peterka; Fiscal Year: 2002..Experimental results from subjects with different levels of partial unilateral vestibular loss will determine the effectiveness and reliability of the proposed new rotation test. ..
- SENSORIMOTOR INTEGRATION IN HUMAN POSTURAL CONTROLRobert Peterka; Fiscal Year: 2009..A better understanding of these active regulatory processes may lead to new rehabilitative methods and new clinical balance-function tests. ..