title: A psychophysiological theory of a psychiatric illness (the brain fag syndrome) associated with study among Africans.
mesh_terms: D000328:Adult; D000349:Africa; D005260:Female; D006801:Humans; D008297:Male; D005222:Mental Fatigue / Q000209:etiology / Q000523:psychology; D009042:Motivation; D010551:Personality; D012892:Sleep Deprivation; D013315:Stress, Psychological / Q000175:diagnosis / Q000209:etiology / Q000523:psychology*; D013334:Students; D013577:Syndrome