Kojima S
Primate Research Institute, Kyoto University, Inuyama, Japan.
Folia Primatol (Basel). 1990;55(2):62-72. doi: 10.1159/000156501.
Absolute thresholds for pure tones, loudness, frequency and intensity difference thresholds and the resonance of the external auditory meatus were measured in chimpanzees and compared with those in humans. Chimpanzees were more sensitive than humans to frequencies higher than 8 kHz but less sensitive to frequencies lower than 250 Hz and 2- to 4-kHz tones. Difference thresholds for frequency and intensity were greater in chimpanzees than in humans. The resonance of the external ear was about the same in the two species. The effects of differences in hearing between species upon speech perception are discussed.
测量了黑猩猩的纯音绝对阈值、响度、频率和强度差异阈值以及外耳道共振，并与人类的这些指标进行了比较。黑猩猩对高于8千赫兹的频率比人类更敏感，但对低于250赫兹以及2至4千赫兹的音调不如人类敏感。黑猩猩的频率和强度差异阈值比人类大。两个物种的外耳共振情况大致相同。文中还讨论了物种间听力差异对言语感知的影响。
