SOCIUS By N., Sam M.S. - 36 The person who is considered to be the basic unit of society. Also called primary social unit; social atom. SOCIUS: "Joe was a socius as he was the primary person in his society." Related Psychology Terms Developing a Case Study ADOLESCENCE (Theories) FREUD, SIGMUND (1856-1939) Hitler and Conformity SULLIVAN, HARRY STACK (1892- 1949) FROMM, ERICH (1900—) JUNG, CARL GUSTAV (1875-1961) OBSESSRVE-COMPULSIVE REACTION SCHIZOID PERSONALITY (Schizo- thymic Personality) Diagnosis and Treatment Planning Cite this page: N., Sam M.S., "SOCIUS," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/socius/ (accessed August 13, 2022).