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  • Title: Interpretation of the combined galvanic test. Findings from cases with vestibular neuronitis.
    Author: Hasuike J, Sekitani T, Kanaya K, Ogata M, Nakano H.
    Journal: Acta Otolaryngol Suppl; 1993; 503():196-7. PubMed ID: 8470490.
    Abstract:
    The combined galvanic test (CGT) was developed in our department for simultaneous recording of galvanic eye movement test (GEMT) and galvanic body sway test (GBST). Twelve cases of vestibular neuronitis were studied first with the caloric test, and then with the CGT. The findings of the caloric test corresponded to those of the GEMT, but did not always correspond to those of the GBST. Thus we suggest that the GBST reflects an abnormality in a system different from that reflected by the caloric test and GEMT. It is likely that the caloric response mainly originates from the semicircular canal system. Thus the GEMT may reflect an abnormality in the semicircular canal system, while the GBST reflects an abnormality in the otolithic system. The CGT may thus be a feasible method of differentiating the disorders of the semicircular canal system from those of the otolithic system in the vestibular nervous system.
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