[豚鼠脑干听觉诱发电位]
[The auditory evoked potentials of the brain stem in the guinea pig].
作者信息
Olszewski J
机构信息
Abteilung für Anatomie des Menschen bei der Militärmedizinischen Akademie, Lódź, Polen.
出版信息
Gegenbaurs Morphol Jahrb. 1988;134(6):941-7.
The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g). According with the relative loudness of stimuli (90, 70, 50, 30, 10 dB SPL), the latency of BAEP waves was larger (t1 = 0.2 msec), but the conductance time between P1 to P5 was constant (3.1 to 3.6 msec). The highest wave of BAEP was P2 with an amplitude: 90 dB SPL, U = 6.5 +/- 1.2 microV; 70 dB SPL, U = 4.3 +/- 1.0 microV; 50 dB SPL, U = 3.5 +/- 0.6 microV; 30 dB SPL, U = 2.0 +/- 0.4 microV.
对20只豚鼠（雌雄皆有，体重250至300克）进行了脑干听觉诱发电位（BAEP）标准波的波幅和潜伏期检测。根据刺激的相对响度（90、70、50、30、10 dB SPL），BAEP波的潜伏期更长（t1 = 0.2毫秒），但P1至P5之间的传导时间恒定（3.1至3.6毫秒）。BAEP的最高波是P2，其波幅为：90 dB SPL时，U = 6.5 +/- 1.2微伏；70 dB SPL时，U = 4.3 +/- 1.0微伏；50 dB SPL时，U = 3.5 +/- 0.6微伏；30 dB SPL时，U = 2.0 +/- 0.4微伏。
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