<prompt> DSM IV criteria for depression is1 week2 weeks3 weeks4 weeks  <response>: DURATION CRITERIA FOR DEPRESSION14 DAYS DURATION CRITERIA FOR MANIA7 DAYS DURATION CRITERIA FOR HYPOMANIA4 DAYS DURATION CRITERIA FOR DYSTHYMIA2 YEARS DSM-IV-TR Criteria for Major Depressive Episode A. Atleast 1 symptom B.5 or more symptoms idepressed mood iiloss of interest or pleasure depressed mood markedly diminished interestpleasure significant weight loss weight gain. insomnia or hypersomnia psychomotor agitation or retardation fatigue or loss of energy wohlessness or inappropriate guilt inability to think or concentrate recurrent thoughts of death , suicidal idea, suicide attempt AB have been present during the same 2-week period and represent a change from previous functioning. Reference: p.535 chap 15.1 Depression and Bipolar Disorder 