...Gall's phrenology lost momentum due to the theory of cortical equivalence, but the idea that functions are localized in the cerebral cortex was revived by P. Broca's research on aphasia in 1961 and J.H. Jackson's research on epilepsy in 1963. In 1970, G. Fritsch and E. Hitzig found that electrical stimulation of certain parts of the cerebral cortex caused muscle contractions in certain parts of the body, revealing the existence of the motor cortex, and the theory of localization became definitive. K. Brodmann also divided the cerebral cortex into 52 areas based on differences in tissue structure examined under a microscope, and assigned each area a serial number (1909). ... *Some of the terminology that mentions "Fritsch, G." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この大脳皮質同価値説に押されて,ガルの骨相学は勢いを失ったが,やがて61年のP.ブローカの失語症の研究や,63年のJ.H.ジャクソンによる癲癇(てんかん)の研究により,大脳皮質に機能の局在があるとの考えが復活してくる。70年フリッチG.FritschとヒツィヒE.Hitzigが,大脳皮質の一定部位を電気刺激すると,身体の一定部位の筋肉に収縮が起こることを見いだし,大脳皮質運動野の存在を明らかにするに及んで,局在論は決定的なものとなった。 またブロードマンK.Brodmannは,顕微鏡で調べた組織構造の違いに基づいて大脳の皮質を52の領域に分け,各領域に一連番号をつけた(1909)。… ※「Fritsch,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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