Sisi Findings in Normal, Subjects

Abstract

One hundred subjects in good general physical condition, with no past history of ear diseases and with normal hearing, were given the SISI test at 500, 1000, 2000 and 4000 Hz with incremental changes of 1, 2, 3, 4, and 5 dB. The test was also repeated on 20 of these subjects within a 2-month period. One ear was tested in each subject. Our analysis indicates that the test criteria proposed by Jerger. by Owens and by others still leave a high percentage of normal listeners outside the group of negative scores for pathologic loudness findings. It is suggested that if we were to consider only the mean value obtained at the four frequencies (0.5, 1, 2 and 4 KHz), where applicable, we would limit the number of false positive results.