[Psychogenic impaired consciousness].

Until not too long ago, psychogenic trance was considered to be a 'conversion hysteria'. But clinical syndromes and personality disorders are now seen as separate entities; therefore, psychogenic trance is part of the so-called 'dissociative disorders'. Here, the integrative functions of the psyche are reduced and control of memory, identity, sensoric and motoric functions are impaired. As a consequence, certain disorders are observed, which have common characteristics, such as onset (psychogenic trauma), course (initial panic or belle indifference) and psychodynamics (repression of an unbearable reality). The following disorders can be distinguished: --psychogenic amnesia: partial or complete loss of memory --psychogenic trance: temporary loss of habitual identity with more or less full awareness of surroundings --psychogenic fugue: apparently purposeful journey away from home with psychogenic amnesia --psychogenic stupor: profound diminuation or absence of voluntary movement and no responsiveness to external stimuli.