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Olfactory hallucination can be considered the result of the belief in an odor delusion, or the belief a result of the olfactory hallucination. [1] In one review, the individual with ORS was unreservedly convinced that he or she could detect the odor themselves in 22% of cases, whilst in 19% there was occasional or intermittent detection and in ...
Phantosmia (phantom smell), also called an olfactory hallucination or a phantom odor, [1] is smelling an odor that is not actually there. This is intrinsically suspicious as the formal evaluation and detection of relatively low levels of odour particles is itself a very tricky task in air epistemology.
Dysosmia is a disorder described as any qualitative alteration or distortion of the perception of smell. [1] Qualitative alterations differ from quantitative alterations, which include anosmia and hyposmia. [2] Dysosmia can be classified as either parosmia (also called troposmia) or phantosmia. Parosmia is a distortion in the perception of an ...
Not having — or losing — your sense of smell may be linked to changes in breathing that could lead to depression, social isolation or other mental and physical health problems, a new study ...
Strange smells or tastes (gustatory hallucinations) [20] Heightened sensitivity to smell [21] Synesthesia [22] Déjà vu or jamais vu [23] Cephalic aura, a perception of movement of the head or inside the head [24] Abdominal aura, such as an epigastric rising sensation [25] Nausea [26] Numbness or tingling (paresthesia) [27]
Sensory deprivation or perceptual isolation [1] is the deliberate reduction or removal of stimuli from one or more of the senses. Simple devices such as blindfolds or hoods and earmuffs can cut off sight and hearing, while more complex devices can also cut off the sense of smell, touch, taste, thermoception (heat-sense), and the ability to know which way is down.
It is characterized by psychotic symptoms such as delusions, paranoia, and hallucinations. [2] [3] This can happen with ingestion of high doses of caffeine, or when caffeine is chronically abused, but the actual evidence is currently limited. [1] [4] [5]
Prevalence of olfactory dysfunction in the general US population was assessed by questionnaire and examination in a national health survey in 2012–2014. [31] Among over a thousand persons aged 40 years and older, 12.0% reported a problem with smell in the past 12 months and 12.4% had olfactory dysfunction on examination.
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