DIURNAL MOOD VARIATION By N., Sam M.S. - 2 Seen in some bipolar and depressive disorders where daily changes in mood happen. See seasonal affective disorder. DIURNAL MOOD VARIATION: "A diurnal mood variation sees elevated mood during the dayt and depressed mood at night." Related Psychology Terms Dissociative Identity Disorder CHILD PSYCHIATRY SCHIZOPHRENIA (OTHER TYPES) MANIC-DEPRESSIVE REACTION (CIRCULAR AND MIXED TYPES) MANIC-DEPRESSIVE REACTION (ETIOLOGY) ADOLESCENCE (Theories) DREAM-STATE (D-STATE, REM- STATE) CYCLOTHYMIC PERSONALITY (Cycloid Personality) CLINICAL PSYCHOLOGY MANIC-DEPRESSIVE REACTION (GENERAL) Cite this page: N., Sam M.S., "DIURNAL MOOD VARIATION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/diurnal-mood-variation/ (accessed July 3, 2022).