A treatise on the diseases of the nervous system . the end of his nose, he misses his aim, sometimesby as much as two or more inches. M. Onimus 1 has called attention to the fact that important indica-tions are afforded by an examination of the handwriting of ataxics, thedefective power of coordination being well shown even when the eyesare open, but being still more strongly manifested when they are difficulty which they experience is in making the round letters,such as a, c, and o. Besides the incoordination there is a jerkingmovement of the pen, and a kind of impulse to continue wr
A treatise on the diseases of the nervous system . the end of his nose, he misses his aim, sometimesby as much as two or more inches. M. Onimus 1 has called attention to the fact that important indica-tions are afforded by an examination of the handwriting of ataxics, thedefective power of coordination being well shown even when the eyesare open, but being still more strongly manifested when they are difficulty which they experience is in making the round letters,such as a, c, and o. Besides the incoordination there is a jerkingmovement of the pen, and a kind of impulse to continue writing after theword is finished. Finally, when the ataxia of the arm is at its height,there is an impossibility of writing a single word, and we obtain onlya set of traces confused and without order. I am able, after many ex-periments, to confirm the foregoing observations. In Fig. 79, a, is seenthe attempt of a patient with his eyes open, and looking at his pen, towrite the word Civilization. At b is a like attempt made when theeyes were shut. a. As in the legs, when the lesion is so low down in the cord as onlyto affect them, there is no well-marked paralysis. The grip of the pa-tient is strong, and the dynamometer shows the existence of considera-ble strength. He is, however, not capable of continued muscular effort;and, though he may be able to lift several hundred pounds, or to carryanother person around the room, his muscles are exhausted with thegradual and regular expenditure of a much less amount of force. A phenomenon is often noticed as regards the upper extremities,which also exists with the lower, but which cannot be so readily mani-fested—and that is, that the patient loses the ability to distinguish evenconsiderable differences between weights. In the normal condition, iftwo weights, differing in the ratio of thirty-nine to forty, are put one inone hand and one in the other, the difference is perceived without diffi-culty. The lower extremities, according to Ja
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectnervoussystem, bookye
