title: [Performance failure in middle age--tasks of current research].
abstract: Scientific interest has, in recent years, been increasingly directed towards the diagnosis of a failure to achieve during middle age. Some theoretical aspects of failure to achieve during middle age are discussed on the basis of a psycho-social unity of the personality.
mesh_terms: D000124:Achievement; D001288:Attention; D003866:Depressive Disorder / Q000175:diagnosis* / Q000523:psychology; D006801:Humans; D008875:Middle Aged; D009042:Motivation; D019965:Neurocognitive Disorders / Q000175:diagnosis* / Q000523:psychology; D010553:Personality Development; D012106:Research; D012931:Social Environment; D013315:Stress, Psychological / Q000150:complications
vernacular_title: Leistungsversagen im mittleren Lebensalter--Aufgabe künftiger Forschung.