Often used in neurology discourse communities as the symptom expression of an epileptic seizure. However, more broadly, "Medical semiology comprises the study of symptoms, somatic signs and laboratory signs, history taking and physical examination." 

Goic G A. (2018). Sobre el origen y desarrollo del libro Semiologia Médica [Origin and development of the book Medical Semiology]. Revista medica de Chile, 146(3), 387–390. https://doi-org.ezproxy.lib.utah.edu/10.4067/s0034-98872018000300387