Berlin C I, Wexler K F, Jerger J F, Halperin H R, Smith S
Otolaryngology. 1978 Jan-Feb;86(1):ORL-111-6. doi: 10.1177/019459987808600125.
This paper reports 42 severely-to-profoundly deaf subjects, 6 of whom have better hearing in the range of 8 to 14 kHz than below 8 kHz. Data on speech capabilities in these six subjects suggest that this ultra-audiometric range may contribute to their speech comprehension and control.
本文报告了42名重度至极重度失聪受试者，其中6人在8至14千赫兹范围内的听力比8千赫兹以下更好。这六名受试者的言语能力数据表明，这个超听力测定范围可能有助于他们的言语理解和控制。
