RESPONSE OF BINAURAL NEURONS OF DOG SUPERIOR OLIVARY COMPLEX TO DICHOTIC TONAL STIMULI - SOME PHYSIOLOGICAL MECHANISMS OF SOUND LOCALIZATION
RESPONSE OF BINAURAL NEURONS OF DOG SUPERIOR OLIVARY COMPLEX TO DICHOTIC TONAL STIMULI - SOME PHYSIOLOGICAL MECHANISMS OF SOUND LOCALIZATION
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DOI：
10.1152/jn.1969.32.4.613
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发表时间：
1969-01-01
影响因子：
2.5
通讯作者：
BROWN, PB
中科院分区：
文献类型：
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作者：
GOLDBERG, JM;BROWN, PB
方法采用纯种比格犬37只。29只动物还为另一篇论文提供了数据（9）。用戊巴比妥钠（35 mg/kg）麻醉动物。插入气管插管。游离两侧外耳道并横切。采用咽旁入路暴露颅底。在滑车神经和小斜方体的出现处钻一个小孔。将动物置于隔音室内的刚性保持器中。将耳机插入外耳道，并通过柔性塑料管连接到密封到一对匹配的Telephonics TDH-39动态耳机前表面的浅金属腔。该系统提供了大于50分贝的耳间分离。通过将粗电极放置在Trapzoid体上并记录由单耳点击刺激诱发的电位，对双耳进行检查。只有当每只耳朵的咔哒声阈值在被认为正常的强度的10 db内并且如果两只耳朵的阈值差异不超过10 db时，动物才被纳入研究。大脑的脉动
METHODSThirty-seven purebred beagles were used. Twenty-nine of the animals also provided data for another paper (9). The animals were anesthetized with sodium pentobarbital(35 mg/kg). A tracheal cannula was inserted. The external auditory canals on the two sides were dissected free and cut transversely. A parapharyngeal approach was used to expose the base of the skull. A small hole was drilled over the emergence of the trochlear nerve and the trapezoid body. The animal was placed in a rigid holder located in a sound-insulated chamber. Earpieces were inserted into the external canals and were connected via flexible plastic tubes to shallow metal cavities sealed to the front surfaces of a pair of matched Telephonics TDH-39 dynamic earphones. The system provided an interaural separation of greater than 50 db. A check was made of the two ears by placing a gross electrode on the trapzoid body and recording the potentials evoked by monaural click stimulation. Animals were included in the study only if the click threshold for each ear was within 10 db of an intensity considered normal and if the thresholds for the two ears did not differ by more than 10 db. Pulsations of the brain were