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Dynamic properties of feed back control of human posture in subjects with vestibular neuritis

Magnusson, M LU and Johansson, R LU (1993) In Acta Oto-Laryngologica 113(S503). p.8-47
Abstract

Postural control was studied in 22 subjects with vestibular neruitis within 14 days after the onset of symptoms. Dynamic feed back control of posture were evaluated by analyzing the postural responses to vibration toward calf muscles applied according to a PRBS schedule. Properties of the dynamic control was normalized as swiftness, stiffness and damping of the responses. There was no prominent group differences between the 22 subjects with vestibular neuritis and 17 normal subjects. However, when studying the change in parameters evoked by presence or absence of visual information it was found that the abundant changes of control parameters, especially in stiffness, met in normal subjects had declined in subjects with vestibular... (More)

Postural control was studied in 22 subjects with vestibular neruitis within 14 days after the onset of symptoms. Dynamic feed back control of posture were evaluated by analyzing the postural responses to vibration toward calf muscles applied according to a PRBS schedule. Properties of the dynamic control was normalized as swiftness, stiffness and damping of the responses. There was no prominent group differences between the 22 subjects with vestibular neuritis and 17 normal subjects. However, when studying the change in parameters evoked by presence or absence of visual information it was found that the abundant changes of control parameters, especially in stiffness, met in normal subjects had declined in subjects with vestibular neuritis. The present finding suggests that although subjects after an acute vestibular lesion may achieve a sufficient postural control by utilizing information from other somatosensory receptors, this is concomitant with changes of the feed back control.

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author
organization
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type
Contribution to journal
publication status
published
subject
keywords
Adult, Aged, Feedback, Female, Functional Laterality, Humans, Male, Meniere Disease, Middle Aged, Neuritis, Postural Balance, Posture, Vestibular Nerve, Vestibulocochlear Nerve Diseases, Weight-Bearing, Journal Article
in
Acta Oto-Laryngologica
volume
113
issue
S503
pages
8 - 47
publisher
Taylor & Francis
external identifiers
  • scopus:0027340460
ISSN
1651-2251
DOI
10.3109/00016489309128070
language
English
LU publication?
yes
id
0693f3e5-0846-4fb0-b503-6bdcfd723a72
date added to LUP
2017-05-03 12:34:12
date last changed
2017-09-20 15:21:23
@article{0693f3e5-0846-4fb0-b503-6bdcfd723a72,
  abstract     = {<p>Postural control was studied in 22 subjects with vestibular neruitis within 14 days after the onset of symptoms. Dynamic feed back control of posture were evaluated by analyzing the postural responses to vibration toward calf muscles applied according to a PRBS schedule. Properties of the dynamic control was normalized as swiftness, stiffness and damping of the responses. There was no prominent group differences between the 22 subjects with vestibular neuritis and 17 normal subjects. However, when studying the change in parameters evoked by presence or absence of visual information it was found that the abundant changes of control parameters, especially in stiffness, met in normal subjects had declined in subjects with vestibular neuritis. The present finding suggests that although subjects after an acute vestibular lesion may achieve a sufficient postural control by utilizing information from other somatosensory receptors, this is concomitant with changes of the feed back control.</p>},
  author       = {Magnusson, M and Johansson, R},
  issn         = {1651-2251},
  keyword      = {Adult,Aged,Feedback,Female,Functional Laterality,Humans,Male,Meniere Disease,Middle Aged,Neuritis,Postural Balance,Posture,Vestibular Nerve,Vestibulocochlear Nerve Diseases,Weight-Bearing,Journal Article},
  language     = {eng},
  number       = {S503},
  pages        = {8--47},
  publisher    = {Taylor & Francis},
  series       = {Acta Oto-Laryngologica},
  title        = {Dynamic properties of feed back control of human posture in subjects with vestibular neuritis},
  url          = {http://dx.doi.org/10.3109/00016489309128070},
  volume       = {113},
  year         = {1993},
}