Document Detail

The deviation of the body's sway center with galvanic stimulation.
MedLine Citation:
PMID:  2669707     Owner:  NLM     Status:  MEDLINE    
We investigated galvanic body sway of ten healthy adults and eight patients by using the averaging program for measuring T1 and T2, which were latencies at the onset and at the cutoff of galvanic stimulation, respectively, and the plotting program, which adopted 1.73 sec as T1 and 0.39 sec as T2, for calculating the coordinates of the body's sway center. We estimated galvanic body sway with the difference between the coordinate of the body's sway center during stimulation and that during no stimulation. The deviation in lateral direction on the healthy subjects ranged from 0.7 or 0.9 to 2.1 cm at right- or left-side stimulation. One of the patients with peripheral disorders revealed differences between right- and left-side stimulation. The other patients did not reveal any differences. In antero-posterior direction six of the healthy subjects deviated backward at right-side stimulation and nine subjects deviated backward at left-side stimulation. The patients with peripheral disorders did not reveal any differences. The other patients revealed some differences. Waves computed by the averaging program do not always show the quantity of galvanic body sway. The deviation of the body's sway center shows the quantity of body sway consistently. The body's sway center is considered to be a suitable parameter in the galvanic body sway test for statistical analysis.
K Ito; K Wada; Y Miyasita; K Taguchi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Auris, nasus, larynx     Volume:  16     ISSN:  0385-8146     ISO Abbreviation:  Auris Nasus Larynx     Publication Date:  1989  
Date Detail:
Created Date:  1989-09-18     Completed Date:  1989-09-18     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7708170     Medline TA:  Auris Nasus Larynx     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  23-32     Citation Subset:  IM; S    
Department of Otolaryngology, Shinshu University School of Medicine, Matsumoto, Japan.
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MeSH Terms
Diagnosis, Computer-Assisted
Ear / physiology*
Ear, Inner / physiology*
Electric Stimulation
Labyrinth Diseases / physiopathology
Time Factors
Vestibule, Labyrinth

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