Delirium

Delirium (formerly acute confusional state, an ambiguous term that is now discouraged) is a specific state of acute confusion attributable to the direct physiological consequence of a medical condition, effects of a psychoactive substance, or multiple causes, which usually develops over the course of hours to days. As a syndrome, delirium presents with disturbances in attention, awareness, and higher-order cognition. People with delirium may experience other neuropsychiatric disturbances including changes in psychomotor activity (e.g., hyperactive, hypoactive, or mixed level of activity), disr

rapid onset of confusion caused by alcohol withdrawal

In psychology, confusion is the quality or emotional state of being bewildered or unclear. The term acute mental confusion is often used interchangeably with delirium in the International Statistical Classification of Diseases and Related Health Problems and the Medical Subject Headings publications to describe the pathology. These refer to the loss of orientation, or the ability to place oneself correctly in the world by time, location and personal identity. Mental confusion is sometimes accompanied by disordered consciousness (the loss of linear thinking) and memory loss (the inability to co

Pandorum is a 2009 science fiction horror film directed by Christian Alvart, produced by Robert Kulzer, Jeremy Bolt and Paul W. S. Anderson (the latter two through their Impact Pictures banner), and starring Dennis Quaid and Ben Foster. Travis Milloy wrote the screenplay from a story by Milloy and Alvart. The film's title is a fictional slang term for a form of psychosis caused by deep space and triggered by emotional stress, leading to severe paranoia, delirium, and nosebleeds. Pandorum was released on 25 September 2009 in the United States, and on 2 October 2009 in the UK. The film was poorl

condition that follows the administration of a psychoactive drug - a type of substance-related disorders

thumb|The toxic berry of Atropa belladonna which contains the tropane deliriants [[scopolamine, atropine, and hyoscyamine.]]

disease of mental health that affects cognitive functions including memory processing, perception and problem solving

widely rejected diagnosis characterized as a potentially fatal state of extreme agitation and delirium

Sundowning, or sundown syndrome, prevalent among people with some form of dementia, is characterized by increased confusion and restlessness beginning in the late afternoon and early evening. The term sundowning was coined by nurse Lois K. Evans in 1987 due to the association between the person's increased confusion and the setting of the sun.

thought disorder, sudden gaps or stoppages in train of thought

thumb|A horse with phrenitis, 1678. Lld manuscript from the Deutsche Fotothek

Erethism, also known as erethismus mercurialis, mad hatter disease, or mad hatter syndrome, is a neurological disorder which affects the whole central nervous system, as well as a symptom complex, derived from mercury poisoning. Erethism is characterized by behavioral changes such as irritability, low self-confidence, depression, apathy, shyness and timidity, and in some extreme cases with prolonged exposure to mercury vapors, by delirium, personality changes and memory loss. People with erethism often have difficulty with social interactions. Associated physical problems may include a decreas

thought disorder, involves replying to a question in an oblique, irrelevant or tangential manner

medical condition