Effects of galvanic vestibular stimulation on otolithic and semicircular canal eye movements and perceived vertical

Zink, Reto; Bucher, Stefan; Weiß, Alexander; Brandt, Th.; Dieterich, Marianne

doi:10.1016/s0013-4694(98)00056-x

Cited by 112 publications

(91 citation statements)

References 14 publications

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“…Only right anodal GVS inXuenced the perception of the vertical signiWcantly, evidenced by a clockwise deviation of the subjective visual vertical. Given that the amplitude of the visual vertical deviation depends on current intensity (Mars et al 2005), and that we used small current amplitudes compared to previous studies, our values appear to be consistent with that of previous Wndings (Zink et al 1998;Mars et al 2005). A signiWcantly stronger inXuence of right GVS on the subjective visual vertical has also been reported in patients with right parietal damage (Saj et al 2006).…”

Section: Diverences Between Right and Left Galvanic Vestibular Stimulsupporting

confidence: 89%

“…Using such a binaural bipolar conWguration, GVS is known to increase the Wring rate in vestibular aVerents on the cathodal side and to decrease the Wring rate on the anodal side (Goldberg et al 1984). This change in the Wring rate has been associated with illusory movements of both own body (Mars et al 2005;Fitzpatrick et al 2002) and visual Weld (Zink et al 1998).…”

Section: Galvanic Vestibular Stimulationmentioning

confidence: 98%

“…However, the data on such peripheral asymmetries are contradictory, with some authors reporting a dominance of the left (Lacour et al 1974), some the right (Quark et al 1998) vestibular apparatus, or even a symmetrical sensitivity for both ears (Zink et al 1998).…”

Section: Diverences Between Right and Left Galvanic Vestibular Stimulmentioning

confidence: 99%

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Influence of galvanic vestibular stimulation on egocentric and object-based mental transformations

2007

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The vestibular system analyses angular and linear accelerations of the head that are important information for perceiving the location of one's own body in space. Vestibular stimulation and in particular galvanic vestibular stimulation (GVS) that allow a systematic modiWcation of vestibular signals has so far mainly been used to investigate vestibular inXuence on sensori-motor integration in eye movements and postural control. Comparatively, only a few behavioural and imaging studies have investigated how cognition of space and body may depend on vestibular processing. This study was designed to diVerentiate the inXuence of left versus right anodal GVS compared to sham stimulation on object-based versus egocentric mental transformations. While GVS was applied, subjects made leftright judgments about pictures of a plant or a human body presented at diVerent orientations in the roll plane. All subjects reported illusory sensations of body self-motion and/ or visual Weld motion during GVS. Response times in the mental transformation task were increased during right but not left anodal GVS for the more diYcult stimuli and the larger angles of rotation. Post-hoc analyses suggested that the interfering eVect of right anodal GVS was only present in subjects who reported having imagined turning themselves to solve the mental transformation task (egocentric transformation) as compared to those subjects having imagined turning the picture in space (object-based mental transformation). We suggest that this eVect relies on shared functional and cortical mechanisms in the posterior parietal cortex associated with both right anodal GVS and mental imagery.

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Section: Diverences Between Right and Left Galvanic Vestibular Stimulsupporting

confidence: 89%

Section: Galvanic Vestibular Stimulationmentioning

confidence: 98%

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Influence of galvanic vestibular stimulation on egocentric and object-based mental transformations

2007

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“…Using such a binaural bipolar configuration, GVS is known to increase the firing rate in vestibular afferents on the cathodal side and to decrease the firing rate on the anodal side (Goldberg, Smith, & Fernandez, 1984). This change in the firing rate has been associated with illusory movements of both own body and visual field (Fitzpatrick & Day, 2004;Fitzpatrick et al, 2002;Lenggenhager et al, 2008;Mars et al, 2005;Zink, Bucher, Weiss, Brandt, & Dieterich, 1998).…”

Section: Galvanic Vestibular Stimulationmentioning

confidence: 99%

How vestibular stimulation interacts with illusory hand ownership

Lopez

Lenggenhager

Blanke

2010

Consciousness and Cognition

113

109

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a b s t r a c tArtificial stimulation of the peripheral vestibular system has been shown to improve ownership of body parts in neurological patients, suggesting vestibular contributions to bodily self-consciousness. Here, we investigated whether galvanic vestibular stimulation (GVS) interferes with the mechanisms underlying ownership, touch, and the localization of one's own hand in healthy participants by using the ''rubber hand illusion" paradigm. Our results show that left anodal GVS increases illusory ownership of the fake hand and illusory location of touch. We propose that these changes are due to vestibular interference with spatial and/or temporal mechanisms of visual-tactile integration leading to an enhancement of visual capture. As only left anodal GVS lead to such changes, and based on neurological data on body part ownership, we suggest that this vestibular interference is mediated by the right temporo-parietal junction and the posterior insula.

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“…87,88 This technique is being investigated as a method for distinguishing the vestibulocochlear nerve from labyrinthine lesions and as a possible test of otolith function, which may be preferentially affected by low-current intensities. 89,90 Averaged surface EMG responses from the sternocleidomastoid muscles in response to repetitive auditory clicks has been proposed as a method of measuring vestibular (saccule) afferents that are eventually transmitted to anterior neck muscles. [91][92][93] Vestibular testing in children.…”

Section: Emerging Techniquesmentioning

confidence: 99%

Assessment: Vestibular testing techniques in adults and children [RETIRED]

Fife¹,

Tusa²,

Furman³

et al. 2000

Neurology

221

110

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Overview. Neurologists are frequently called upon to evaluate patients with vertigo and dizziness and, in some cases, to make sense of abnormal vestibular tests. Consequently, it is useful to have some familiarity with the methods used to test vestibular function.The vestibulo-ocular reflex (VOR) is a reflex that acts at short latency to generate eye movements that compensate for head rotations in order to preserve clear vision during locomotion. The VOR is the most accessible gauge of vestibular function. Evaluating the VOR requires application of a vestibular stimulus and measurement of the resulting eye movements.This report reviews the advantages and limitations of the methods of stimulating the vestibular system: caloric irrigation, rotational chair testing, and auto-rotational testing. Vestibular testing in children is given additional consideration because of the paucity of recent reviews on the topic. This report will not address eye movement recording techniques, the neurophysiology of the VOR, which is reviewed elsewhere, 1,2 or interpretation of nystagmus.Literature review. This evidence-based assessment was developed from a review of published articles obtained through the MEDLINE database of the National Library of Medicine. Relevant publications were rated by the strength of evidence according to a scheme approved by the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology (see Appendix 2).

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Effects of galvanic vestibular stimulation on otolithic and semicircular canal eye movements and perceived vertical

Cited by 112 publications

References 14 publications

Influence of galvanic vestibular stimulation on egocentric and object-based mental transformations

Influence of galvanic vestibular stimulation on egocentric and object-based mental transformations

How vestibular stimulation interacts with illusory hand ownership

Assessment: Vestibular testing techniques in adults and children [RETIRED]

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