Belous Symptom

Neurology, Psychiatry

Also known as: Belous's sign

Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.

The Belous symptom is a clinical sign observed in cases of hysteria. It is characterized by the onset of horizontal nystagmus when the patient closes their eyes.

Encyclopedia entry (1928–1936)

BELOUS SYMPTOM (in hysteria), is expressed by the appearance of horizontal nystagmus when closing the eyes.

Cite this page

“Belous Symptom.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/belous-symptom/