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Auditory hallucinations in cognitive neurology.

A Robles Bayón1, M G Tirapu de Sagrario2, F Gude Sampedro3

  • 1Unidad de Neurología Cognitiva, Hospital La Rosaleda, Santiago de Compostela, A Coruña, España.

Neurologia (Barcelona, Spain)
|March 13, 2016
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Summary

Neurological lesions can cause tinnitus and verbal or musical hallucinations (VMH). This study found hearing loss more common in VMH patients, who were older, while tinnitus patients were younger.

Keywords:
AcúfenosAlucinaciones auditivasAlucinaciones musicalesAlucinaciones verbalesAlucinosis auditivaAuditory hallucinationsAuditory hallucinosisMusical hallucinationsParacusiaTinnitusVerbal hallucinations

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Area of Science:

  • Neurology
  • Cognitive Neurology
  • Neuroscience

Background:

  • Neurological lesions are known to cause auditory phenomena like tinnitus and verbal or musical hallucinations (VMH).
  • Understanding the specific characteristics and underlying causes of these symptoms is crucial for diagnosis and treatment.

Purpose of the Study:

  • To investigate the prevalence and epidemiological characteristics of tinnitus and VMH in a cognitive neurology clinic outpatient sample.
  • To identify potential neuroimaging correlates and associated factors for tinnitus and VMH.

Main Methods:

  • Screening of 1,000 outpatients for tinnitus and VMH.
  • Collection of epidemiological data and neuroimaging information.
  • Statistical analysis to compare patient groups.

Main Results:

  • Tinnitus affected 6.9% and VMH 0.9% of the sample.
  • Patients with tinnitus were younger; VMH patients were older.
  • Hearing loss was significantly more prevalent in the VMH subgroup.

Conclusions:

  • Neurological lesions causing tinnitus and VMH have distinct patient demographics and associated factors.
  • Dementia with Lewy bodies, Alzheimer disease, and focal brain lesions were implicated in VMH.
  • Hearing loss and specific medications were identified as potential contributing factors.