Wever, EG (English spelling)

Japanese: Wever,E.G.(英語表記)WeverEG
Wever, EG (English spelling)

...For complex sounds, many elastic peaks occur at the basilar membrane, and a Fourier analysis of the sound waveform is performed at the basilar membrane.
[Electrical conversion of sound waves]
Meanwhile, EG Wever and CW Bray recorded a potential waveform with the same shape as a stimulus sound from above the bone near the round window of the cat's middle ear, and called it the cochlear microphone potential (1930). Subsequent research revealed that this potential fluctuation is an electrical phenomenon occurring in the inner ear, and is the sum of the potential changes occurring in the hair cell group and the action potential of the cochlear nerve bundle connected to the hair cells (ED Adrian and H. Davis, 1931), and various electrodes were devised to clarify this. In particular, Tasaki method by Tasaki Ichiji (1952) was a major contribution in this regard.

*Some of the terminology that mentions "Wever, EG" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…複雑な音では,多くの最高値を示す弾性波が基底膜上に生じ,音波形のフーリエ解析が基底膜上で行われるのである。
[音波の電気的変換]
 一方,ウェーバーE.G.WeverとブレーC.W.Brayは,ネコの中耳の正円窓付近の骨の上から刺激音と同じ形をした電位波形を記録し,これを蝸牛のマイクロホン電位と呼んだ(1930)。その後の研究から,この電位変動は内耳で起こる電気現象であって,有毛細胞群から起こる電位変化と,有毛細胞に接続する蝸牛神経束の活動電位の総和であること(エードリアンE.D.AdrianとデービスH.Davis,1931)が,各種の電極がくふうされて明らかとなり,とくに田崎一二による田崎法(1952)はこの点で功績が大きかった。…

※「Wever,E.G.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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