| delusional | Of or pertaining to delusions; as, delusional monomania. Source: Websters Dictionary (01 Mar 1998) |
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| delusional disorder | A severe mental disorder characterised by the presence of delusions. The delusions may be related to paranoid, grandiose, somatic, or erotic themes. (05 Mar 2000) |
| delusional powers or abilities | Fixed false beliefs, which are not amenable to arguments or facts to the contrary and which are not shared by others of similar cultural background. A characteristic of schizophrenia. (27 Sep 1997) |
| affective psychosis | Psychosis with predominant affective features. Synonym: manic psychosis. (05 Mar 2000) |
| amnestic psychosis | <syndrome> May occur as a sequel to chronic alcohol abuse. Features include personality changes, confabulation, psychosis, disorientation, polyneuritis, insomnia and hallucinations. (27 Sep 1997) |
| arteriosclerotic psychosis | Psychotic disturbance in elderly persons suffering from cerebral arteriosclerosis. (05 Mar 2000) |
| bipolar psychosis | A mental disorder characterised by one or more episodes of mania (manic depression) which is usually accompanied by one or more episodes of depression (major depressive episode). See: endogenous depression, manic-depressive. (05 Mar 2000) |
| brief reactive psychosis | <psychiatry> A brief display of psychotic behaviour that lasts for at least several hours, but not more than one week. Typically these reactions are brought on by periods of increased stress (for example death of a loved one). Symptoms include delusions, hallucinations, disordered thinking, impaired speech and bizarre dress. (27 Sep 1997) |
| manic-depressive psychosis | Perviously referred to as manic depressive illness, characterised by the occurrence of mania (euphoria) alternating with bouts of depression. (27 Sep 1997) |
| manic psychosis | Psychosis with predominant affective features. Synonym: manic psychosis. (05 Mar 2000) |
| gestational psychosis | An obsolete term for psychotic reaction with morbid depressive features associated with pregnancy. See: postpartum psychosis, puerperal psychosis. (05 Mar 2000) |
| Cheyne-Stokes psychosis | A mental state characterised by anxiety and restlessness, accompanying Cheyne-Stokes respiration. (05 Mar 2000) |
| climacteric psychosis | An obsolete term for involutional psychosis associated with the climacteric. (05 Mar 2000) |
| Windigo psychosis | Severe anxiety neurosis with special reference to food, manifested in melancholia, violence, and obsessive cannibalism, occurring among Canadian Indians. (05 Mar 2000) |
| polyneuritic psychosis | <syndrome> May occur as a sequel to chronic alcohol abuse. Features include personality changes, confabulation, psychosis, disorientation, polyneuritis, insomnia and hallucinations. (27 Sep 1997) |