What's the difference between delusion and hallucination?

Delusion


Definition:

  • (n.) The act of deluding; deception; a misleading of the mind.
  • (n.) The state of being deluded or misled.
  • (n.) That which is falsely or delusively believed or propagated; false belief; error in belief.

Example Sentences:

  • (1) The grand patriarch, battling dissent and delusion, coming in for another shot, a new king on the throne, an impossible future to face down.
  • (2) He continued: "There's quite a lot of complacency going on and self-delusion going on.
  • (3) Paranoid states is a term that covers a number of different disorders in which persecutory and grandiose ideas and delusions constitute a significant part of the symptoms.
  • (4) The observed psychiatric symptoms were classified into two categories: simple, including incidents of confusion alone or hallucinations with preserved insight, and complex, including delusions or chronic confusion without preserved insight.
  • (5) The idea that these problems exist on the other side of the world, and that we Australians can ignore them by sheltering comfortably in our own sequestered corner of the globe, is a fool’s delusion.” Brandis sought to reach out to Australian Muslims, saying the threat came “principally from a small number of people among us who try to justify criminal acts by perverting the meaning of Islam”.
  • (6) Of course, everyone who is not drawn in by the spectacle of a 69-year-old man with hair that clearly telegraphs its owner’s level of self-delusion and casual relationship to the truth is horrified at Trump’s ascendency in the Republican party primary.
  • (7) Schizophrenia is a severe psychiatric disorder characterized by onset in young adulthood, the occurrence of hallucinations and delusions, and the development of enduring psychosocial disability.
  • (8) The following differential signs were underlined: initial symptoms, such as rudimentary cenesthopathia, stable insomnia, etc., preceding the formation of delusions; appearance of episodic exacerbations in the form of short-time acute paranoiac states; a combination of paranoiac delusion with stable phasic affective disorders; unusual possession of delusional patients expressed in bizarre delusional behaviour, etc.
  • (9) Delusions have traditionally been regarded as unmodifiable false beliefs.
  • (10) To use a slightly dodgy analogy, standing one's moral ground in the midst of free-market capitalism might be a delusion akin to the idea of Socialism In One Country: if you believe in the usual left-liberal bundle of causes, politics is probably the best arena to pursue them, rather than fixating on what you do with your money.
  • (11) Upon his admission to Broadmoor in 1995, Napper had a number of delusions and thought people were out to get him.
  • (12) Although delusion remains one of the basic problems in psychopathology, attempts to understand its pathogenesis have been dominated by unsubstantiated speculation.
  • (13) The clinical picture is near-monthly recurrence of episodes of stupor or excitement lasting about 1 or 2 weeks, which are accompanied by delusion and in some cases also by hallucinations or confusion.
  • (14) Advantages of this definition are discussed and a distinction between delusions (about external reality) and certain actual experiences (happening in the patient's mind) is proposed.
  • (15) Delusions are common in the early phase of the disease.
  • (16) They are two separate creatures with very different structures, more like a virus and a host: co-dependent but each with delusions about who is the superior form of life.
  • (17) This for me is a time for mild pre- Christmas nausea, caused by the annual destruction of a persistent adult delusion, instilled during schooldays, that this is a time for gradually relaxing and then having literally nothing to do for the week leading up to Christmas Day.
  • (18) Journalists, media types, and the delusive Edinburgh Comedy festival are complicit in supporting a broken system.
  • (19) In my defence, this has nothing to do with delusions of sophistication (though it would be about time).
  • (20) Variations in MAO activity were not significantly associated with the 65 clinical variables analyzed, although there was a tendency for patients in the low-MAO group to have more severely impaired reality testing, more paranoid and grandiose delusions, better prognostic scores, and less restlessness.

Hallucination


Definition:

  • (n.) The act of hallucinating; a wandering of the mind; error; mistake; a blunder.
  • (n.) The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder or the nervous system, as in delirium tremens; delusion.

Example Sentences:

  • (1) The clinical picture was characterized by hallucinations and delirium.
  • (2) Adverse effects included nausea, light-headedness, dyskinesias, and hallucinations, all of which abated after the Sinemet dose was reduced.
  • (3) Cocaine produces simple hallucinations, PCP can produce complex hallucinations analogous to a paranoid psychosis, while LSD produces a combination of hallucinations, pseudohallucinations and illusions.
  • (4) In traditional Western psychiatric theory, seeing or hearing things that other people do not think are there could be termed a hallucination which is often considered indicative of underlying psychopathology.
  • (5) The observed psychiatric symptoms were classified into two categories: simple, including incidents of confusion alone or hallucinations with preserved insight, and complex, including delusions or chronic confusion without preserved insight.
  • (6) The probability of hallucinations was associated with the severity of cognitive dysfunction, the degree of other behavioral disturbances, and the presence of extrapyramidal signs.
  • (7) This was generally mild and always fully reversible and consisted mainly of forgetfulness, occasionally hallucinations, nightmares and somnolence.
  • (8) Schizophrenia is a severe psychiatric disorder characterized by onset in young adulthood, the occurrence of hallucinations and delusions, and the development of enduring psychosocial disability.
  • (9) Improved assessments of hallucinating patients are recommended, with exploration of subtleties in the hallucinatory experience; and factors needing assessment are identified.
  • (10) Within the primitive maternal transference, borborygmi are often accompaniments to the fantasy or the hallucination of being fed by the analyst.
  • (11) These data indicate that hallucinations (i.e., believed-in imaginings) can be elicited from a minority of "norman" subjects with brief instructions.
  • (12) Intravenous injection of naloxone (in most cases 4.0 mg) induced a reduction of psychotic symptomatology (especially hallucinations) in the majority of patients.
  • (13) Is voice search really going to catch on, or is it some sort of consensual hallucination by the tech industry?
  • (14) Hallucinations of ocular origin, however, are easily diagnosed by a thorough eye examination.
  • (15) The clinical picture is near-monthly recurrence of episodes of stupor or excitement lasting about 1 or 2 weeks, which are accompanied by delusion and in some cases also by hallucinations or confusion.
  • (16) A case study is presented of the effects of wearing an ear-plug in a single patient with persistent auditory hallucinations.
  • (17) Following the presentation of this underdiagnosed clinical phenomenon we propose that musical hallucinations should be addressed as a final outcome of several factors including both mental and physical components.
  • (18) Social isolation did not affect the incidence of hallucination, nor was it related to the incidence of known depressive illness.
  • (19) The results indicate fair concordance between the two clinical approaches and the DIS with regard to the presence of any delusional or hallucination symptoms.
  • (20) Moreau de Tours's classical studies about haschisch had pointed out to a rich symptomatology: visual and auditive hallucinations preceded by the "primordial effect": "the dissociation of ideas".