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FINGER PHENOMENON
A sign of organic hemiplegia; with the patient's elbowresting on a table, the patient's wrist is grasped by the examiner's arm, the thumb of which is used to exert pressure on the radialside of the patient's pisiform bone; if the hemiplegia is organic, some or all of the patient's fingers become extended and spread out in a fanlike form.
Synonym: Gordon's sign.