Nervous and mental diseases . ingers to movewidely apart in extreme extension, and after clumsy, slow movementsthe object is awkwardly and insecurely held or the attempt fails. Insome cases the extremities, particularly the upper one, are Avrithed aboutin the most vigorous, serpentine, and purposeless way, striking thepatients face or getting into awkward positions behind the neck or back. The athetosis in rare cases is persistent day and night, in others itsubsides during sleep, and in still others, and perhaps the majority ofcases, it only appears when provoked by voluntary effort or emotion
Nervous and mental diseases . ingers to movewidely apart in extreme extension, and after clumsy, slow movementsthe object is awkwardly and insecurely held or the attempt fails. Insome cases the extremities, particularly the upper one, are Avrithed aboutin the most vigorous, serpentine, and purposeless way, striking thepatients face or getting into awkward positions behind the neck or back. The athetosis in rare cases is persistent day and night, in others itsubsides during sleep, and in still others, and perhaps the majority ofcases, it only appears when provoked by voluntary effort or emotionaldisturbance. In the cases that are marked by excessive athetoidmotility the muscles, from constant though involuntary use, are fre-quently firm and well nourished. They may even be over-developed. 250 DISEASES OF THE BRAIN PROPER. Clark ^ has proven hypertrophy in such cases and actual enlargementof bones has been shown by the ar-ray. On the other hand, well-marked atrophy may be encountered. The joints frequently present a.
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
