听觉通路的阈值敏感性：听神经中信噪比恶化的影响。
Threshold sensitivity of the auditory pathway: effects of worsening signal-to-noise ratio in the auditory nerve.
作者信息
Leng G, Comis S D
出版信息
Hear Res. 1981 Mar;4(1):103-8. doi: 10.1016/0378-5955(81)90039-3.
PMID:7204257
Abstract
Perfusions of scala tympani with high potassium solutions increase spontaneous activity of auditory nerve fibres without affecting their threshold sensitivity. In these circumstances, however, the signal-to-noise ratio of the auditory nerve response to a given stimuli is worsened. Recordings from cochlear nucleus neurones during such perfusions indicate that this worsening is critical for threshold sensitivity at higher levels in the auditory pathway.
摘要
用高钾溶液灌注鼓阶会增加听神经纤维的自发放电活动，而不影响其阈值敏感性。然而，在这些情况下，听神经对给定刺激的反应的信噪比会变差。在这种灌注过程中对蜗神经核神经元的记录表明，这种变差对于听觉通路中更高水平的阈值敏感性至关重要。
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