Direction of galvanically-induced vestibulo-postural responses during active and passive neck torsion

Fransson, Per-Anders; Karlberg, Mikael; Sterner, T; Magnusson, Måns

Direction of galvanically-induced vestibulo-postural responses during active and passive neck torsion

Mark

Fransson, Per-Anders ^LU

; Karlberg, Mikael ^LU ; Sterner, T and Magnusson, Måns ^LU

(2000) In Acta Oto-Laryngologica 120(4). p.500-503

Abstract: The direction of a postural response induced by galvanic vestibular stimulation depends on the head and trunk position. The relative importance of afferent information (proprioception) and efferent motor command/corollary discharge is unknown. We studied the direction of body sway evoked by galvanic vestibular stimulation in 9 healthy subjects during active and passive head positioning at 0 degrees frontal position, 35 degrees to the left, and 75 degrees to the right, using a custom-built collar. At 0 degrees and 75 degrees there were no significant differences in sway direction between active and passive head positioning. The galvanic stimulation invoked sway toward the anode, mainly in the inter-aural direction. The sway direction... (More); The direction of a postural response induced by galvanic vestibular stimulation depends on the head and trunk position. The relative importance of afferent information (proprioception) and efferent motor command/corollary discharge is unknown. We studied the direction of body sway evoked by galvanic vestibular stimulation in 9 healthy subjects during active and passive head positioning at 0 degrees frontal position, 35 degrees to the left, and 75 degrees to the right, using a custom-built collar. At 0 degrees and 75 degrees there were no significant differences in sway direction between active and passive head positioning. The galvanic stimulation invoked sway toward the anode, mainly in the inter-aural direction. The sway direction differed significantly between active and passive positioning at 35 degrees to the side (p < 0.05). When the head was actively kept in this position, the body sway was mainly in an inter-aural direction. The sway shifted to a naso-occipital direction when the head was passively positioned at 35 degrees. Our results indicate that the afferent proprioceptive information has the largest influence on the direction of the galvanically-induced postural response, although some dependence on efferent motor commands and non-linear cervical proprioception cannot be ruled out entirely. (Less)

Please use this url to cite or link to this publication: https://lup.lub.lu.se/record/1116522

author

Fransson, Per-Anders ^LU

; Karlberg, Mikael ^LU ; Sterner, T and Magnusson, Måns ^LU

organization

Otorhinolaryngology (Lund)

publishing date

2000

type

Contribution to journal

publication status

published

subject

Otorhinolaryngology

keywords

corollary discharge, human, proprioception, 6estibular

in

Acta Oto-Laryngologica

volume

120

issue

4

pages

500 - 503

publisher

Taylor & Francis

external identifiers

pmid:10958401
scopus:0034580379

ISSN

1651-2251

DOI

10.1080/000164800750045992

language

English

LU publication?

yes

id

3aa5dbf8-c644-459d-b8b8-f68c61d27242 (old id 1116522)

date added to LUP

2016-04-01 16:15:04

date last changed

2024-01-11 04:36:11

@article{3aa5dbf8-c644-459d-b8b8-f68c61d27242,
  abstract     = {{The direction of a postural response induced by galvanic vestibular stimulation depends on the head and trunk position. The relative importance of afferent information (proprioception) and efferent motor command/corollary discharge is unknown. We studied the direction of body sway evoked by galvanic vestibular stimulation in 9 healthy subjects during active and passive head positioning at 0 degrees frontal position, 35 degrees to the left, and 75 degrees to the right, using a custom-built collar. At 0 degrees and 75 degrees there were no significant differences in sway direction between active and passive head positioning. The galvanic stimulation invoked sway toward the anode, mainly in the inter-aural direction. The sway direction differed significantly between active and passive positioning at 35 degrees to the side (p &lt; 0.05). When the head was actively kept in this position, the body sway was mainly in an inter-aural direction. The sway shifted to a naso-occipital direction when the head was passively positioned at 35 degrees. Our results indicate that the afferent proprioceptive information has the largest influence on the direction of the galvanically-induced postural response, although some dependence on efferent motor commands and non-linear cervical proprioception cannot be ruled out entirely.}},
  author       = {{Fransson, Per-Anders and Karlberg, Mikael and Sterner, T and Magnusson, Måns}},
  issn         = {{1651-2251}},
  keywords     = {{corollary discharge; human; proprioception; 6estibular}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{500--503}},
  publisher    = {{Taylor & Francis}},
  series       = {{Acta Oto-Laryngologica}},
  title        = {{Direction of galvanically-induced vestibulo-postural responses during active and passive neck torsion}},
  url          = {{http://dx.doi.org/10.1080/000164800750045992}},
  doi          = {{10.1080/000164800750045992}},
  volume       = {{120}},
  year         = {{2000}},
}

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Direction of galvanically-induced vestibulo-postural responses during active and passive neck torsion