Surface dependence: a balance control strategy in panic disorder with agoraphobia.
Identifieur interne : 001442 ( Main/Exploration ); précédent : 001441; suivant : 001443Surface dependence: a balance control strategy in panic disorder with agoraphobia.
Auteurs : R G Jacob [États-Unis] ; J M Furman ; J D Durrant ; S M TurnerSource :
- Psychosomatic medicine [ 0033-3174 ]
Descripteurs français
- KwdFr :
- Adulte (MeSH), Agoraphobie (diagnostic), Agoraphobie (physiopathologie), Agoraphobie (psychologie), Femelle (MeSH), Humains (MeSH), Kinesthésie (physiologie), Labyrinthe vestibulaire (physiopathologie), Mâle (MeSH), Orientation (physiologie), Posture (physiologie), Proprioception (physiologie), Traitement du signal assisté par ordinateur (MeSH), Trouble panique (diagnostic), Trouble panique (physiopathologie), Trouble panique (psychologie), Épreuves vestibulaires (instrumentation), Équilibre postural (physiologie).
- MESH :
- diagnostic : Agoraphobie, Trouble panique.
- physiologie : Kinesthésie, Orientation, Posture, Proprioception, Équilibre postural.
- physiopathologie : Agoraphobie, Labyrinthe vestibulaire, Trouble panique.
- psychologie : Agoraphobie, Trouble panique.
- instrumentation : Adulte, Femelle, Humains, Mâle, Traitement du signal assisté par ordinateur, Épreuves vestibulaires.
English descriptors
- KwdEn :
- Adult (MeSH), Agoraphobia (diagnosis), Agoraphobia (physiopathology), Agoraphobia (psychology), Female (MeSH), Humans (MeSH), Kinesthesis (physiology), Male (MeSH), Orientation (physiology), Panic Disorder (diagnosis), Panic Disorder (physiopathology), Panic Disorder (psychology), Postural Balance (physiology), Posture (physiology), Proprioception (physiology), Signal Processing, Computer-Assisted (MeSH), Vestibular Function Tests (instrumentation), Vestibule, Labyrinth (physiopathology).
- MESH :
- diagnosis : Agoraphobia, Panic Disorder.
- instrumentation : Vestibular Function Tests.
- physiology : Kinesthesis, Orientation, Postural Balance, Posture, Proprioception.
- physiopathology : Agoraphobia, Panic Disorder, Vestibule, Labyrinth.
- psychology : Agoraphobia, Panic Disorder.
- Adult, Female, Humans, Male, Signal Processing, Computer-Assisted.
Abstract
OBJECTIVE
Previous studies have reported vestibular dysfunction and impaired balance in patients with agoraphobia. Vestibular dysfunction may lead to an information processing strategy focusing on spatial stimuli from two nonvestibular sensory channels, vision and proprioception. This nonvestibular balance control strategy may in turn lead to discomfort in situations involving inadequate visual or proprioceptive spatial cues (space and motion discomfort). The objective of this study was to examine sensory integration of spatial information in agoraphobia. Because of previous findings that space and motion discomfort and vestibular dysfunction are common in agoraphobia, we hypothesized that agoraphobics would use a nonvestibular balance control strategy.
METHOD
Using computerized dynamic posturography, we examined balance performance in patients with panic disorder with agoraphobia, uncomplicated panic disorder, nonpanic anxiety disorders, and depression without anxiety, as well as healthy subjects for comparison. The posturography procedure included six sensory conditions in which visual and proprioceptive balance information was manipulated experimentally by permutations of sway-referencing the support surface or the visual surround or by having patients close their eyes.
RESULTS
The agoraphobics had impaired balance when proprioceptive balance information was minimized by sway-referencing the support surface (p < 0.02). This pattern, called surface dependence, tended to be more pronounced in agoraphobics who reported space and motion discomfort, including fear of heights or boats.
CONCLUSION
Agoraphobics rely on proprioceptive cues for maintenance of upright balance. This strategy may lead to intolerance of situations characterized by unstable support.
DOI: 10.1097/00006842-199705000-00016
PubMed: 9178344
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Jacob, R G" sort="Jacob, R G" uniqKey="Jacob R" first="R G" last="Jacob">R G Jacob</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Psychiatry, University of Pittsburgh School of Medicine, Pennsylvania, USA.</nlm:affiliation>
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<wicri:regionArea>Department of Psychiatry, University of Pittsburgh School of Medicine, Pennsylvania</wicri:regionArea>
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<author><name sortKey="Furman, J M" sort="Furman, J M" uniqKey="Furman J" first="J M" last="Furman">J M Furman</name>
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<author><name sortKey="Durrant, J D" sort="Durrant, J D" uniqKey="Durrant J" first="J D" last="Durrant">J D Durrant</name>
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<author><name sortKey="Turner, S M" sort="Turner, S M" uniqKey="Turner S" first="S M" last="Turner">S M Turner</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult (MeSH)</term>
<term>Agoraphobia (diagnosis)</term>
<term>Agoraphobia (physiopathology)</term>
<term>Agoraphobia (psychology)</term>
<term>Female (MeSH)</term>
<term>Humans (MeSH)</term>
<term>Kinesthesis (physiology)</term>
<term>Male (MeSH)</term>
<term>Orientation (physiology)</term>
<term>Panic Disorder (diagnosis)</term>
<term>Panic Disorder (physiopathology)</term>
<term>Panic Disorder (psychology)</term>
<term>Postural Balance (physiology)</term>
<term>Posture (physiology)</term>
<term>Proprioception (physiology)</term>
<term>Signal Processing, Computer-Assisted (MeSH)</term>
<term>Vestibular Function Tests (instrumentation)</term>
<term>Vestibule, Labyrinth (physiopathology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte (MeSH)</term>
<term>Agoraphobie (diagnostic)</term>
<term>Agoraphobie (physiopathologie)</term>
<term>Agoraphobie (psychologie)</term>
<term>Femelle (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Kinesthésie (physiologie)</term>
<term>Labyrinthe vestibulaire (physiopathologie)</term>
<term>Mâle (MeSH)</term>
<term>Orientation (physiologie)</term>
<term>Posture (physiologie)</term>
<term>Proprioception (physiologie)</term>
<term>Traitement du signal assisté par ordinateur (MeSH)</term>
<term>Trouble panique (diagnostic)</term>
<term>Trouble panique (physiopathologie)</term>
<term>Trouble panique (psychologie)</term>
<term>Épreuves vestibulaires (instrumentation)</term>
<term>Équilibre postural (physiologie)</term>
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<keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Agoraphobia</term>
<term>Panic Disorder</term>
</keywords>
<keywords scheme="MESH" qualifier="diagnostic" xml:lang="fr"><term>Agoraphobie</term>
<term>Trouble panique</term>
</keywords>
<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Vestibular Function Tests</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Kinesthésie</term>
<term>Orientation</term>
<term>Posture</term>
<term>Proprioception</term>
<term>Équilibre postural</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Kinesthesis</term>
<term>Orientation</term>
<term>Postural Balance</term>
<term>Posture</term>
<term>Proprioception</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Agoraphobie</term>
<term>Labyrinthe vestibulaire</term>
<term>Trouble panique</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Agoraphobia</term>
<term>Panic Disorder</term>
<term>Vestibule, Labyrinth</term>
</keywords>
<keywords scheme="MESH" qualifier="psychologie" xml:lang="fr"><term>Agoraphobie</term>
<term>Trouble panique</term>
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<keywords scheme="MESH" qualifier="psychology" xml:lang="en"><term>Agoraphobia</term>
<term>Panic Disorder</term>
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<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Signal Processing, Computer-Assisted</term>
</keywords>
<keywords scheme="MESH" qualifier="instrumentation" xml:lang="fr"><term>Adulte</term>
<term>Femelle</term>
<term>Humains</term>
<term>Mâle</term>
<term>Traitement du signal assisté par ordinateur</term>
<term>Épreuves vestibulaires</term>
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<front><div type="abstract" xml:lang="en"><p><b>OBJECTIVE</b>
</p>
<p>Previous studies have reported vestibular dysfunction and impaired balance in patients with agoraphobia. Vestibular dysfunction may lead to an information processing strategy focusing on spatial stimuli from two nonvestibular sensory channels, vision and proprioception. This nonvestibular balance control strategy may in turn lead to discomfort in situations involving inadequate visual or proprioceptive spatial cues (space and motion discomfort). The objective of this study was to examine sensory integration of spatial information in agoraphobia. Because of previous findings that space and motion discomfort and vestibular dysfunction are common in agoraphobia, we hypothesized that agoraphobics would use a nonvestibular balance control strategy.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>METHOD</b>
</p>
<p>Using computerized dynamic posturography, we examined balance performance in patients with panic disorder with agoraphobia, uncomplicated panic disorder, nonpanic anxiety disorders, and depression without anxiety, as well as healthy subjects for comparison. The posturography procedure included six sensory conditions in which visual and proprioceptive balance information was manipulated experimentally by permutations of sway-referencing the support surface or the visual surround or by having patients close their eyes.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>RESULTS</b>
</p>
<p>The agoraphobics had impaired balance when proprioceptive balance information was minimized by sway-referencing the support surface (p < 0.02). This pattern, called surface dependence, tended to be more pronounced in agoraphobics who reported space and motion discomfort, including fear of heights or boats.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>CONCLUSION</b>
</p>
<p>Agoraphobics rely on proprioceptive cues for maintenance of upright balance. This strategy may lead to intolerance of situations characterized by unstable support.</p>
</div>
</front>
</TEI>
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<AbstractText Label="METHOD" NlmCategory="METHODS">Using computerized dynamic posturography, we examined balance performance in patients with panic disorder with agoraphobia, uncomplicated panic disorder, nonpanic anxiety disorders, and depression without anxiety, as well as healthy subjects for comparison. The posturography procedure included six sensory conditions in which visual and proprioceptive balance information was manipulated experimentally by permutations of sway-referencing the support surface or the visual surround or by having patients close their eyes.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">The agoraphobics had impaired balance when proprioceptive balance information was minimized by sway-referencing the support surface (p < 0.02). This pattern, called surface dependence, tended to be more pronounced in agoraphobics who reported space and motion discomfort, including fear of heights or boats.</AbstractText>
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