directional preponderance

di·rec·tion·al pre·pon·der·ance

a right or left predominance of nystagmus calculated from the responses to the binaural, bithermal caloric test.

di·rec·tion·al pre·pon·der·ance

(dĭr-ek'shŭn-ăl prē-pon'dĕr-ăns) A right or left predominance of nystagmus calculated from the responses to the binaural, bithermal caloric test.