Abstract
Our nosology fails to distinguish between chorea which occurs as a symptom in the course of an infection. which by some is regarded as a rheumatism, and that which is dependent upon organic disease. The acute chorea which has more or less involvement of the joints and pericardium, and sometimes without it, is commonly spoken of as the chorea of Sydenham. The agent is not the same in all of the cases. The choreas which are associated with mental disease in adults, generally have an organic basis; the secondary dementia accompanying post-hemiplegic chorea, and Huntington's chorea, are due to progressive degeneration of the cerebral cortex, associated with dementia. Many of the insane present choreic movements, which are simply the expression of organic changes in the cortex, occurring in the terminal states of the ordinary psychoses. Excluding the choreas of advanced life usually associated with organic disease, the occurrence of a
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
