Verticality perception during and after galvanic vestibular stimulation.
Identifieur interne : 000C91 ( Main/Exploration ); précédent : 000C90; suivant : 000C92Verticality perception during and after galvanic vestibular stimulation.
Auteurs : Katharina Volkening [Allemagne] ; Jeannine Bergmann [Allemagne] ; Ingo Keller [Allemagne] ; Max Wuehr [Allemagne] ; Friedemann Müller [Allemagne] ; Klaus Jahn [Allemagne]Source :
- Neuroscience letters [ 1872-7972 ] ; 2014.
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Abstract
The human brain constructs verticality perception by integrating vestibular, somatosensory, and visual information. Here we investigated whether galvanic vestibular stimulation (GVS) has an effect on verticality perception both during and after application, by assessing the subjective verticals (visual, haptic and postural) in healthy subjects at those times. During stimulation the subjective visual vertical and the subjective haptic vertical shifted towards the anode, whereas this shift was reversed towards the cathode in all modalities once stimulation was turned off. Overall, the effects were strongest for the haptic modality. Additional investigation of the time course of GVS-induced changes in the haptic vertical revealed that anodal shifts persisted for the entire 20-min stimulation interval in the majority of subjects. Aftereffects exhibited different types of decay, with a preponderance for an exponential decay. The existence of such reverse effects after stimulation could have implications for GVS-based therapy.
DOI: 10.1016/j.neulet.2014.08.028
PubMed: 25157799
Affiliations:
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Electronic address: JBergmann@schoen-kliniken.de.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich</wicri:regionArea><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName><orgName type="university">Université Louis-et-Maximilien de Munich</orgName></affiliation></author><author><name sortKey="Keller, Ingo" sort="Keller, Ingo" uniqKey="Keller I" first="Ingo" last="Keller">Ingo Keller</name><affiliation wicri:level="4"><nlm:affiliation>Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany. 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Electronic address: volkening.kathi@googlemail.com.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Graduate School of Systemic Neurosciences, Ludwig-Maximilians-University, Großhaderner Str. 2, 82152 Planegg-Martinsried, Germany; Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich</wicri:regionArea><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName><orgName type="university">Université Louis-et-Maximilien de Munich</orgName></affiliation></author><author><name sortKey="Bergmann, Jeannine" sort="Bergmann, Jeannine" uniqKey="Bergmann J" first="Jeannine" last="Bergmann">Jeannine Bergmann</name><affiliation wicri:level="4"><nlm:affiliation>Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany. 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Electronic address: IKeller@schoen-kliniken.de.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich</wicri:regionArea><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName><orgName type="university">Université Louis-et-Maximilien de Munich</orgName></affiliation></author><author><name sortKey="Wuehr, Max" sort="Wuehr, Max" uniqKey="Wuehr M" first="Max" last="Wuehr">Max Wuehr</name><affiliation wicri:level="4"><nlm:affiliation>German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich</wicri:regionArea><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName><orgName type="university">Université Louis-et-Maximilien de Munich</orgName></affiliation></author><author><name sortKey="Muller, Friedemann" sort="Muller, Friedemann" uniqKey="Muller F" first="Friedemann" last="Müller">Friedemann Müller</name><affiliation wicri:level="4"><nlm:affiliation>Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany. Electronic address: FMueller@schoen-kliniken.de.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Schoen Klinik Bad Aibling, Kolbermoorerstr. 72, 83043 Bad Aibling, Germany; German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich</wicri:regionArea><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName><orgName type="university">Université Louis-et-Maximilien de Munich</orgName></affiliation></author><author><name sortKey="Jahn, Klaus" sort="Jahn, Klaus" uniqKey="Jahn K" first="Klaus" last="Jahn">Klaus Jahn</name><affiliation wicri:level="4"><nlm:affiliation>German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany; Department of Neurology, Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany. Electronic address: klaus.jahn@med.uni-muenchen.de.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich, Germany; Department of Neurology, Ludwig-Maximilians-University, Marchioninistr. 15, 81377 Munich</wicri:regionArea><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName><orgName type="university">Université Louis-et-Maximilien de Munich</orgName></affiliation></author></analytic><series><title level="j">Neuroscience letters</title><idno type="eISSN">1872-7972</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Ear, Inner (physiology)</term><term>Electric Stimulation</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Otolithic Membrane (physiology)</term><term>Postural Balance (physiology)</term><term>Semicircular Canals (physiology)</term><term>Touch Perception (physiology)</term><term>Visual Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Ear, Inner</term><term>Otolithic Membrane</term><term>Postural Balance</term><term>Semicircular Canals</term><term>Touch Perception</term><term>Visual Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Electric Stimulation</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The human brain constructs verticality perception by integrating vestibular, somatosensory, and visual information. Here we investigated whether galvanic vestibular stimulation (GVS) has an effect on verticality perception both during and after application, by assessing the subjective verticals (visual, haptic and postural) in healthy subjects at those times. During stimulation the subjective visual vertical and the subjective haptic vertical shifted towards the anode, whereas this shift was reversed towards the cathode in all modalities once stimulation was turned off. Overall, the effects were strongest for the haptic modality. Additional investigation of the time course of GVS-induced changes in the haptic vertical revealed that anodal shifts persisted for the entire 20-min stimulation interval in the majority of subjects. Aftereffects exhibited different types of decay, with a preponderance for an exponential decay. The existence of such reverse effects after stimulation could have implications for GVS-based therapy.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Bavière</li><li>District de Haute-Bavière</li></region><settlement><li>Munich</li></settlement><orgName><li>Université Louis-et-Maximilien de Munich</li></orgName></list><tree><country name="Allemagne"><region name="Bavière"><name sortKey="Volkening, Katharina" sort="Volkening, Katharina" uniqKey="Volkening K" first="Katharina" last="Volkening">Katharina Volkening</name></region><name sortKey="Bergmann, Jeannine" sort="Bergmann, Jeannine" uniqKey="Bergmann J" first="Jeannine" last="Bergmann">Jeannine Bergmann</name><name sortKey="Jahn, Klaus" sort="Jahn, Klaus" uniqKey="Jahn K" first="Klaus" last="Jahn">Klaus Jahn</name><name sortKey="Keller, Ingo" sort="Keller, Ingo" uniqKey="Keller I" first="Ingo" last="Keller">Ingo Keller</name><name sortKey="Muller, Friedemann" sort="Muller, Friedemann" uniqKey="Muller F" first="Friedemann" last="Müller">Friedemann Müller</name><name sortKey="Wuehr, Max" sort="Wuehr, Max" uniqKey="Wuehr M" first="Max" last="Wuehr">Max Wuehr</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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