Funct Neurol
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The term "sympathetically maintained pain" does not imply that the pains are due to the sympathetic system. It is not a matter of excessive or decreased sympathetic activity. ⋯ This fact suggests that we are not concerned primarily with abnormal states induced by the sympathetic system, but with a general kind of abnormality of the total nervous system. This phenomenon may be relieved by removal of the sympathetic nerves to the relevant neurons of the periphery.