azimuthal variation 中文意思是什麼
azimuthal variation
解釋
方位變化-
This study showed that the mt and sharpness of frequency tuning curves increased as the sound direction changed from contralateral to ipsilateral azimuthal angles. it suggests that sound direction effect on frequency tuning may be through the complex interplay between the excitatory and inhibitory inputs. the application of gaba ( a ) antagonist, bicuculline, lowered all mts but the application did not abolish direction - dependent variation in mt
聽皮層的抑制性影響使大多數神經元在蝙蝠最敏感的聲源方位c - 40的頻率分辨能力明顯提高,同時使c - 40和i - 40的最低閾值的差別進一步增大,提高了信噪比,提高下丘聽神經元對聲源方位和最佳頻率的分辨能力。
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