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Site of lesion vestibular function testing.
Author(s) -
Rubin Wallace
Publication year - 1985
Publication title -
the laryngoscope
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.181
H-Index - 148
eISSN - 1531-4995
pISSN - 0023-852X
DOI - 10.1288/00005537-198504000-00003
Subject(s) - medicine , binaural recording , electronystagmography , caloric test , vestibular system , semicircular canal , audiology
The results of conventional electronystagmography (ENG) sometimes are confusing. The Hallpike alternate binaural bithermal (ABB) caloric test is helpful diagnostically except for the group of “sick patients that have a normal test.” Conventional ENG tests also fall short in the area of objective confirmation of patient progress. What does each test tell us regarding site of lesion? 1 . Alternate binaural bithermal stimulation gives us information about the semicircular canals — particularly the horizontal semicircular canal — pickup head. 2 . Simultaneous binaural bithermal stimulation gives information brain stem connections — switching and relay. 3 . Rotation testing gives information about the processing by the brain — central control.