Davis, H.

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[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 this 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). With the development of various electrodes, it became clear that this was the result of the Tasaki method (1952) by Tasaki Ichiji, which was particularly useful in this regard. In this way, it was possible to prove that the results of experiments using cadavers were essentially the same as electrical phenomena in living organisms.

*Some of the terminology that mentions "Davis, H." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

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［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。こうして死体を用いた実験結果は，生体の電気現象と本質的に差のないことが証明できたのであった。…

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