Features of depression can easily be learned through mnemonic 'SIG E CAPS'. S = Sleep alterations I = loss of Interest G = Guilt E = lack of Energy C = reduced Cognition / Concentration A = Appetite P = Psychomotor symptoms S = Suicidal ideation Reference: https://www.unmc.edu/media/intmed/geriatrics/reynolds/pearlcards/depression/sigecaps.htm Image via: https://theconversation.com/depression-its-a-word-we-use-a-lot-but-what-exactly-is-it-122381