“Doctor, I Hear Music”: A Brief Review About Musical Hallucinations.

Perez, Purificacion Alvarez; Garcia-Antelo, Maria Jose; Rubio-Nazabal, Eduardo

doi:10.2174/1874205x01711010011

Cited by 18 publications

(11 citation statements)

References 12 publications

(20 reference statements)

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“…It is interesting to note that two of the three participants who reported musical hallucinations in our sample were described as ‘deaf’ (Fénelon et al ., 2000). Musical hallucinations have been associated primarily with hearing impairment (Gordon, 1997; Cope and Baguley, 2009; Perez et al ., 2017), though they have been reported in PD (Ergün et al ., 2009) and DLB (Golden and Josephs, 2015) without hearing impairment. The contributions and potential interactions between hearing impairment and PD or DLB require further investigation, as there are suggestions that hearing impairment may present as a non-motor feature of PD (Lai et al ., 2014) and hearing impairment may be more common in PD than age-matched controls (Yýlmaz et al ., 2009).…”

Section: Discussionmentioning

confidence: 94%

Auditory and visual hallucination prevalence in Parkinson's disease and dementia with Lewy bodies: a systematic review and meta-analysis

Eversfield

Orton

2018

Psychol. Med.

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BackgroundNon-motor features of Parkinson's disease (PD) and dementia with Lewy bodies (DLB), such as auditory hallucinations (AH), contribute to disease burden but are not well understood.MethodsSystematic review and random-effects meta-analyses of studies reporting AH associated with PD or DLB. Prevalence of visual hallucinations (VH) in identified studies meeting eligibility criteria were included in meta-analyses, facilitating comparison with AH. Synthesis of qualitative descriptions of AH was performed. PubMed, Web of Science and Scopus databases were searched for primary journal articles, written in English, published from 1970 to 2017. Studies reporting AH prevalence in PD or DLB were screened using PRISMA methods.ResultsSearches identified 4542 unique studies for consideration, of which, 26 met inclusion criteria. AH pooled prevalence in PD was estimated to be 8.9% [95% confidence interval (CI) 5.3–14.5], while in DLB was estimated to be 30.8% (±23.4 to 39.3). Verbal hallucinations, perceived as originating outside the head, were the most common form of AH. Non-verbal AH were also common while musical AH were rare. VH were more prevalent, with an estimated pooled prevalence in PD of 28.2% (±19.1 to 39.5), while in DLB they were estimated to be 61.8% (±49.1 to 73.0). Meta-regression determined that the use of validated methodologies to identify hallucinations produced higher prevalence estimates.ConclusionsAH and VH present in a substantial proportion of PD and DLB cases, with VH reported more frequently in both conditions. Both AH and VH are more prevalent in DLB than PD. There is a need for standardised use of validated methods to detect and monitor hallucinations.

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Section: Discussionmentioning

confidence: 94%

Auditory and visual hallucination prevalence in Parkinson's disease and dementia with Lewy bodies: a systematic review and meta-analysis

Eversfield

Orton

2018

Psychol. Med.

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“…They consist of complex, ‘formed’ sounds and have been linked to activity in auditory association areas rather than primary auditory cortex. Furthermore, when not associated with primary neurological disease or psychiatric illness, they occur most commonly in the hearing impaired and elderly . The hallucinations of Charles Bonnet syndrome could similarly represent ‘phantom vision’ in those with visual loss.…”

Section: Theories Of Cbs Pathogenesis: a Shot In The Dark?mentioning

confidence: 99%

The elephant in the room: understanding the pathogenesis of Charles Bonnet syndrome

Carpenter

Jolly

Bridge

2019

Ophthalmic Physiologic Optic

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Purpose Charles Bonnet syndrome (CBS) is a syndrome characterised by complex visual hallucinations in individuals who are cognitively normal, though often elderly and visually impaired. Although first described over 250 years ago, the condition remains poorly understood and difficult to treat. Recent findings Our understanding of CBS pathogenesis has advanced little since it was first described, and much of the recent literature consists of case studies strikingly similar to the first published account of CBS. However, imaging studies have provided some indication as to the cortical areas implicated in the genesis of complex visual hallucinations, and the existence of similar hallucinatory syndromes in other sensory modalities suggests a common underlying mechanism. Summary This review begins by describing what is currently known about CBS, focusing on epidemiology, clinical presentation and diagnosis. It then explores potential starting points for better understanding the pathogenesis of CBS, namely the existence of similar conditions in other sensory modalities and the reproduction of complex visual hallucinations in sensory deprivation scenarios. Finally, it discusses how CBS should be approached in clinical practice.

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“…3 4 Sacks and Blom described different variants. The prevalence of MH was described as 0.16% of general psychiatric admissions 5 and as high as 2.5% in older patients with hearing impairment, 6 but it is overall considered a rare phenomenon and the exact prevalence is not known. The mean age of onset of MH is described to be 56 years, with the majority of patients being female.…”

Section: Introductionmentioning

confidence: 99%

Complex auditory musical hallucinations with ambivalent feelings

Canas-Simião

Nascimento²,

Reis³

et al. 2021

BMJ Case Rep

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A 78-year-old woman with hypertension, diabetes mellitus type 2 and bilateral sensorineural hearing loss was referenced to geriatric psychiatry consultation. She presented cognitive dysfunction, erotomanic delusion and complex musical hallucinations (MH), described as hearing her neighbour singing a familiar church song along with bells in the background, making comments and talking to her. A computed tomography (CT) of the brain detected small right nucleocapsular and bilateral external capsules hypodensities of presumed vascular aetiology during hospitalisation. MH are a rare phenomenon with heterogeneous aetiology. Most frequently, the cause is hearing impairment; other causes include social isolation, cognitive dysfunction, vascular risk factors and medication. Studies suggest that some brain areas related to musical memory circuitry might be related and not fully mapped. Auditory verbal hallucinations with a voice that either comments, talks or sings to the patient have never been described in the literature, making this clinical case attractive.

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“Doctor, I Hear Music”: A Brief Review About Musical Hallucinations.

Cited by 18 publications

References 12 publications

Auditory and visual hallucination prevalence in Parkinson's disease and dementia with Lewy bodies: a systematic review and meta-analysis

Auditory and visual hallucination prevalence in Parkinson's disease and dementia with Lewy bodies: a systematic review and meta-analysis

The elephant in the room: understanding the pathogenesis of Charles Bonnet syndrome

Complex auditory musical hallucinations with ambivalent feelings

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