| 单词 |
Broca |
| 释义 |
Broca|ˈbrəʊkə|
The name of the French surgeon and anthropologist Pierre Paul Broca (1824–80), applied (chiefly in the possessive case) to anatomical features, etc., discovered by or named after him (see quots.). Broca's aphasia, motor aphasia; Broca('s) area, part of the premotor cortex in the inferior frontal convolution of the brain, concerned with the movements required for speech; Broca's point, the centre of the external auditory meatus; Broca's table, a graduated table of skin-colours.
1875Encycl. Brit. II. 111/1 The colour of the eyes and hair is also to be defined accurately by Broca's table. 1877Jrnl. Mental Sci. XXII. 406 Case of Sudden and Complete ‘Aphasia’ and Partial ‘Right Hemiplegia’, Lesion of ‘Broca's Convolution’. 1884T. G. Stewart Dis. Nervous Syst. ii. 22 This includes what has been named Broca's convolution, from his having made out its relation to aphasia. 1890W. James Princ. Psychol. I. ii. 40 Broca's region is homologous with the parts ascertained to produce movements of the lips, tongue, and larynx. 1898Beevor Dis. Nervous Syst. xix. 283 The speech centre of Broca, situated in the posterior part of the left third frontal convolution. Ibid. 285 Motor aphasia..is caused by a lesion of..Broca's centre. 1905W. D. Halliburton Handbk. Physiol. (ed. 7) xlviii. 689 In the higher apes..faradisation of the Broca area does not evoke vocalisation. 1911Ibid. (ed. 10) xlviii. 729 That Broca's area is the chief speech centre has for long been a matter of doubt among physiologists and pathologists. 1959Psychol. Rev. LXVI. 46/1 Broca's aphasia, indistinguishable from that caused by damage of Broca's area. |
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