FIBRILLATION By N., Sam M.S. - 0 small and involuntary contraction of muscles from a spontaneous activation of muscle fibres or single muscle cells. It is especially applied to the heart. See arrhythmia. FIBRILLATION: "Joe suffered from fibrillation of his heart muscle." Related Psychology Terms Developing a Case Study FREUD, SIGMUND (1856-1939) Hitler and Conformity OBSESSRVE-COMPULSIVE REACTION EFFECTORS SCHIZOID PERSONALITY (Schizo- thymic Personality) SULLIVAN, HARRY STACK (1892- 1949) READING DISABILITY (Paralexia, Dyslexia) ADOLESCENCE (Theories) OEDIPUS COMPLEX (Oedipus Situation) Cite this page: N., Sam M.S., "FIBRILLATION," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/fibrillation/ (accessed August 17, 2022).