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Pseudohallucination. A pseudohallucination (from Ancient Greek: ψευδής (pseudḗs) "false, lying" + "hallucination") is an involuntary sensory experience vivid enough to be regarded as a hallucination, but which is recognised by the person experiencing it as being subjective and unreal. By contrast, a "true" hallucination is perceived as ...
Positive visual phenomena. Lesions in the visual pathway affect vision most often by creating deficits or negative phenomena, such as blindness, visual field deficits or scotomas, decreased visual acuity and color blindness. On occasion, they may also create false visual images, called positive visual phenomena.
The Patient Advice and Liaison Service (PALS), also known as the Patient Advice and Support Service (PASS) in Scotland, is a National Health Service body created to provide advice and support to NHS patients and their relatives and carers. The scheme was announced in the NHS Plan 2000. Pilot schemes were set up in 2001, with full nationwide ...
An Act to consolidate certain enactments relating to the health service. England and Wales, [2] except sections 261 to 266, which also extend to Scotland and Northern Ireland. [3] The National Health Service Act 2006 (c. 41) is an act of the Parliament of the United Kingdom. It sets out the structure of the National Health Service in England.
Olfactory reference syndrome (ORS) is a psychiatric condition in which there is a persistent false belief and preoccupation with the idea of emitting abnormal body odors which the patient thinks are foul and offensive to other individuals. [1][2] People with this condition often misinterpret others' behaviors, e.g. sniffing, touching their nose ...
The Commission for Health Improvement (CHI) was a non-departmental public body sponsored by the Department of Health of the United Kingdom from 2001 until 2004, when its functions were subsumed by the Healthcare Commission. [1] CHI was established by the Health Act 1999. [2] It was the first organisation ever to assess the clinical performance ...
Peduncular hallucinosis (PH) is a rare neurological phenomenon that causes vivid visual hallucinations that typically occur in dark environments and last for several minutes. Unlike some other kinds of hallucinations, the hallucinations that patients with PH experience are very realistic, and often involve people and environments that are ...
A visual simulation of HPPD, often referred to as visual snow. Hallucinogen persisting perception disorder (HPPD) is a non-psychotic disorder in which a person experiences apparent lasting or persistent visual hallucinations or perceptual distortions after using drugs, [1] including but not limited to psychedelics, dissociatives, entactogens ...