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Musical hallucinations can occur in people who are physically and mentally healthy, and for them, there is no known cause. [7] Most people find their musical hallucinations obtrusive, and wish to be rid of them, while others welcome them. In addition, investigators have pointed to factors that are associated with musical hallucinations.
Symptoms of this disease vary from lack of basic melodic discrimination, recognition despite normal audiometry, above average intellectual, memory, as well as language skills (Peretz 2002). Another conspicuous symptom of amusia is the ability of the affected individual to carry out normal speech, however, he or she is unable to sing.
Fatal insomnia is an extremely rare neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom. [2] The majority of cases are familial (fatal familial insomnia [FFI]), stemming from a mutation in the PRNP gene, with the remainder of cases occurring sporadically (sporadic fatal insomnia [sFI]).
Peduncular hallucinosis (PH) is a rare neurological disorder 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 familiar to the affected individua
Additionally, several conditions linked to faulty dopamine transporters can also lead to secondary delusional parasitosis. Examples of such conditions include: "schizophrenia, depression, traumatic brain injury, alcoholism, Parkinson's and Huntington's diseases, human immunodeficiency virus infection, and iron deficiency". [8]
The first concrete term associated with chromesthesia was given by Charles-Auguste-Édouard Cornaz in an eye disease dissertation in 1848. Color blindness was a common condition known as chromatodysopsia and, since Cornaz saw chromesthesia as the opposite, he named it hyperchromatopsia or perception of too many colors.
Self-reports, interviews, and autobiographical notes by synesthetes demonstrate a great degree of variety in types of synesthesia, the intensity of synesthetic perceptions, awareness of the perceptual discrepancies between synesthetes and non-synesthetes, and the ways synesthesia is used in work, creative processes, and daily life.
gastroesophageal reflux disease, and; psychological issues such as performance anxiety. [3] They are also at an increased risk of having problems with the stomatognathic system, in particular the mouth and teeth, which may in some cases lead to permanent injuries that prevent the musicians from playing. [10]