Ad
related to: hallucinations and delusions
Search results
Results from the WOW.Com Content Network
Delusional disorder, traditionally synonymous with paranoia, is a mental illness in which a person has delusions, but with no accompanying prominent hallucinations, thought disorder, mood disorder, or significant flattening of affect. [6] [7] Delusions are a specific symptom of psychosis.
A delusion [a] is a false fixed belief that is not amenable to change in light of conflicting evidence. [2] As a pathology, it is distinct from a belief based on false or incomplete information, confabulation, dogma, illusion, hallucination, or some other misleading effects of perception, as individuals with those beliefs are able to change or readjust their beliefs upon reviewing the evidence.
A hallucination is a perception in the absence of an external stimulus that has the compelling sense of reality. [6] They are distinguishable from several related phenomena, such as dreaming (), which does not involve wakefulness; pseudohallucination, which does not mimic real perception, and is accurately perceived as unreal; illusion, which involves distorted or misinterpreted real ...
Lewy body dementia is caused by protein deposits developing in the brain’s nerve cells, which can result in delusions and visual hallucinations. Vascular dementia and paranoia are linked as well ...
Hallucinations may command a person to do something potentially dangerous when combined with delusions. [19] So-called "minor hallucinations", such as extracampine hallucinations, or false perceptions of people or movement occurring outside of one's visual field, frequently occur in neurocognitive disorders, such as Parkinson's disease. [20]
Half of patients experience more than one kind of delusion. [2] Delusions occur without hallucinations in about one-half to two-thirds of patients with psychotic depression. [2] Hallucinations can be auditory, visual, olfactory (smell), or tactile (touch), and are congruent with delusional material. [2] Affect is sad, not flat.
Schizophrenia is a mental disorder [17] [7] characterized variously by hallucinations (typically, hearing voices), delusions, disorganized thinking and behavior, [10] and flat or inappropriate affect. [7]
In rare instances, it can include delusions of immortality. [9] Syndrome of delusional companions is the belief that objects (such as soft toys) are sentient beings. [10] Clonal pluralization of the self, where a person believes there are multiple copies of themselves, identical both physically and psychologically, but physically separate and ...
Ad
related to: hallucinations and delusions