Comparative study of caloric responses induced by different stimulus intensities. 1983

T Kubo, and S Ohira, and T Shiraishi, and I Koezuka, and K Umatani, and T Matsunaga

Bithermal caloric responses induced by 20, 50 and 240 ml water irrigations were compared in 111 healthy Japanese adults. Distribution mode of max. slow phase eye velocity (SPEV), duration and max. frequency showed normal pattern in the logarithmic scale but not in the regular scale. All three nystagmus parameters of 240 ml caloric test showed most linear distribution compared with two other caloric tests in the probit plots of logarithmic scale. When the mean, coefficient of variation and normal range (mean +/- 2 SD) were compared between two modes of distribution, the most consistent difference was found in the range which was biased to the side of large number with little difference in the width of the range. When one standard deviation of CP- and DP-indexes were compared, these values were smallest in max. frequency, however, the best negative correlation between variation (SD) of CP- and DP-indexes and stimulus intensity was found in SPEV.

UI MeSH Term Description Entries
D007507 Therapeutic Irrigation The washing of a body cavity or surface by flowing water or solution for therapy or diagnosis. Douching,Lavage,Douchings,Irrigation, Therapeutic,Irrigations, Therapeutic,Lavages,Therapeutic Irrigations
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002150 Caloric Tests Elicitation of a rotatory nystagmus by stimulating the semicircular canals with water or air which is above or below body temperature. In warm caloric stimulation a rotatory nystagmus is developed toward the side of the stimulated ear; in cold, away from the stimulated side. Absence of nystagmus indicates the labyrinth is not functioning. Barany Test,Barany's Test,Baranys Test,Caloric Test,Test, Barany,Test, Barany's,Test, Caloric,Tests, Caloric
D005133 Eye Movements Voluntary or reflex-controlled movements of the eye. Eye Movement,Movement, Eye,Movements, Eye
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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