Addressing behavioral and mental problems in community settings -- The diagnostic DS : the building blocks to diagnosing mental health disorders in older adults -- Beyond the diagnostic DS : other common clinical challenges -- The 15-minute older adult diagnostic interview -- The 30-minute older adult diagnostic interview -- The DSM-5 older adult diagnostic interview -- A brief version of DSM-5 -- A stepwise approach to differential diagnosis -- The mental status examination : a psychiatric glossary -- Selected DSM-5 assessment measures -- Rating scales and alternative diagnostic systems -- Psychoeducational interventions -- Psychosocial interventions -- Psychotherapeutic interventions -- Psychopharmacological interventions -- Brain stimulation interventions -- Mental health treatment planning -- Concluding counsel.