Simultaneous Bilateral Calorization to the Labyrinths

概要

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Bilateral calorization were investigated precisely on various conditions, i. e., temperatures and head positions. On hundred seventy one clinically healthy subjects were tested in these series; and the following results were obtained. 1. Vertical nystagmus was always elicited by 10℃ water bilateral calorization with the optimum head position (in 55 of all 55 examinees, 100 percent). 2. Vertical nystagmus were not induced by 40℃ water bilateral calorization at all (in 55 of all 55 examinees). 3. Elicitation rate of vertical nystagmus with the optimum head position became lesser in a warm temperature than accompanied with the cold temperature. 4. Horizontal nystagmus was not observed in all subjects. 5. None of any kinds of nystagmus was elicited by those bilateral calorization in the pessimum head positions.
Yamaguchi University Graduate School of Medicineの論文