Discomfort with space and motion: A possible marker of vestibular dysfunction assessed by the situational characteristics questionnaire

@article{Jacob1993DiscomfortWS,
  title={Discomfort with space and motion: A possible marker of vestibular dysfunction assessed by the situational characteristics questionnaire},
  author={Rolf G. Jacob and Sheila R. Woody and Duncan B. Clark and Scott O. Lilienfeld and Barry E. Hirsch and Gail D. Kucera and Joseph M. Furman and John D. Durrant},
  journal={Journal of Psychopathology and Behavioral Assessment},
  year={1993},
  volume={15},
  pages={299-324}
}
Space and motion discomfort (SMD) refers to the situational specificity of symptoms occurring in some patients with vestibular dysfunction, such as those with balance disorders and some with panic disorder. SMD occurs in situations characterized by inadequate visual or kinesthetic information for normal spatial orientation. We report the results of two studies of the construct validity of the Situational Characteristics Questionnaire (SitQ), which has two subscales, both of which measure SMD… 
[Validation of the French version of the situational characteristics questionnaire in the measurement of space and motion discomfort].
TLDR
The present study focuses on the validation of the French-language version of the SitQ: the questionnaire des caractéristiques situationnelles (QCS), a questionnaire that evaluates the presence of symptoms such as dizziness, vertigo, and instability under specific conditions and provides an adequate measure of the theoretical construct of SMD.
Space and motion discomfort and abnormal balance control in patients with anxiety disorders
TLDR
In patients with anxiety disorders, higher SMD is indicative of somatosensory dependence in the control of balance, and the absence of both panic and fear of heights reduces the probability of having peripheral vestibular dysfunction.
Psychological aspects of vestibular disorders
TLDR
This chapter presents the concepts of space-motion discomfort, visual vertigo, and chronic subjective dizziness that are essential components of a complete neurotologic history, and identifies the misleading interpretations of balance function tests in the patients with psychiatric components to their illnesses.
Space and motion discomfort in Brazilian versus American patients with anxiety disorders.
TLDR
A significant diagnosis effect was observed in all scales, with the highest scores in the agoraphobia group, and a country effect was found only in the Smd2, suggesting that this country bias is related to a tendency of Brazilian patients to endorse symptoms.
The Use of Technology in Vestibular Rehabilitation and Balance Assessment
Background study 1: Individuals with vestibular disorders usually complain of dizziness and visual vertigo in visually complex environments. Habituation exercises using visually provocative stimuli
Physical therapy for balance disorders.
TLDR
Vestibular rehabilitation now is the standard of care for many types of vestibular pathology and is provided by physical and occupational therapists who have specialized training beyond the entry level degree.
The vestibular activities and participation measure and vestibular disorders.
TLDR
The psychometric properties of the VAP demonstrated very good reliability and validity in persons with balance and vestibular dysfunction and may be helpful in identifying activity and participation limitations.
Optic flow-induced sway in anxiety disorders associated with space and motion discomfort
Abstract This study examined whether anxiety patients with space and motion discomfort (SMD; e.g., fear of heights), like patients with vestibular dysfunction, have increased body sway responses to
Surface Dependence: A Balance Control Strategy in Panic Disorder with Agoraphobia
TLDR
The agoraphobics had impaired balance when proprioceptive balance information was minimized by sway-referencing the support surface (p < 0.02), which may lead to intolerance of situations characterized by unstable support.
Visually induced postural sway in anxiety disorders.
TLDR
Results indicate that patients with anxiety disorders, particularly those with SMD, are more visually dependent for balance, and may be amenable to treatment used for patients with balance disorders (i.e., vestibular rehabilitation) that focuses on sensory re-integration processes that address visual sensitivity.
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