#involutional_depression  a major depressive episode associated with the climacteric
  supertype:  #major_depressive_episode  (psychiatry) a state of depression with all the classic symptoms (anhedonia and lethargy and sleep disturbance and despondency and morbid thoughts and feelings of worthlessness and sometimes attempted suicide) but with no known organic dysfunction
     supertype:  #depressive_disorder__clinical_depression__depression  a state of depression and anhedonia so severe as to require clinical intervention
        supertype:  #major_affective_disorder__majoraffectivedisorder__affective_disorder__affectivedisorder__emotional_disorder__emotionaldisorder__emotional_disturbance__emotionaldisturbance  any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant
           supertype:  #mental_disorder__mental_disturbance__disturbance__psychological_disorder__psychologicaldisorder__folie  (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
              supertype:  #disorder.state__upset  condition in which there is a disturbance of normal functioning; "the doctor prescribed some medicine for the disorder"; "everyone gets stomach upsets from time to time"
                 supertype:  #condition.state__status  a condition or state at a particular time: "a condition (or state) of disrepair"; "the current status of the arms negotiations"
                    supertype:  #state  the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
                       supertype:  pm#state  situation that is not a process
                          supertype:  pm#situation  something that "occurs" in a real/imaginary region of time and space
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                       supertype:  sumo#process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                          supertype:  pm#situation  something that "occurs" in a real/imaginary region of time and space
                          supertype:  pm#process_or_process_description
                             supertype:  pm#processing_thing
                                supertype:  pm#thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                                   supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                          supertype:  sumo#physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes #involutional_depression; click here to add one.