<unk>  is a clinical sign in which flexing and then suddenly releasing the fourth toe elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like responses. It is named after the Ukrainian neuropsychiatrist Viktor<unk>  (1889–1959), who discovered it sometime in the mid-1930s while he was practicing in the United States.<unk>  was one of the strong proponents of electrotherapy to cure psychiatric illnesses.
Gonda's sign
Bancroft's sign
Peabody's sign
Hamman's sign
Magnan's sign
Adson's sign
Dance's sign
Winterbottom's sign