Definitions
from The Century Dictionary.
- noun A nervous center particularly related to speech; especially, a cortical center situated in the region of the posterior extremity of the left frontal convolution of the brain, the destruction of which produces in most persons ataxic aphasia.
Etymologies
Sorry, no etymologies found.
Examples
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The speech-center in the brain, you know, is anyhow a comparatively recent thing in evolution.
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A postmortem examination showed nearly total destruction of the Island of Reil, popularly called the speech-center.
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A postmortem examination showed nearly total destruction of the Island of Reil, popularly called the speech-center.
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This is connected by means of the intercentral paths _v_ with the motor speech-center M.
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Accordingly, the connection between the ear and the speech-center must be shorter or more practicable in advance (hereditarily) than that between the eye and the speech-center.
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So that the question whether a speech-center already exists in the alalic child must be answered in the negative; the center is formed only when the child hears speech, and, if he does not hear speech, no center is developed.
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From this, however, by no means follows the existence of a speech-center in the infant.
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_ The connections between the impressive sound-centers and the motor speech-center are injured.
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On the contrary, it is questionable whether the impulse proceeding from D does not arrive directly at the motor speech-center, instead of passing through W, S, or L.
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The centrifugal paths from the motor speech-center to the motor nerves of speech and to their extremities, or else these nerves themselves, are injured.
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