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Auditory hallucinations (AHs) in schizophrenia patients may stem from auditory cortex changes, impacting audiological test performance. Audiologists can play a crucial role in evaluating and researching this auditory and psychiatric disorder.

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Area of Science:

  • Neuroscience
  • Audiology
  • Psychiatry

Background:

  • Auditory hallucinations (AHs) in schizophrenia patients are linked to potential anatomical changes in the auditory cortex and central auditory nervous system.
  • Current awareness among audiologists regarding these findings and their implications is insufficient.

Purpose of the Study:

  • To educate audiologists about auditory hallucinations (AHs) associated with schizophrenia.
  • To encourage audiologists and hearing scientists to engage in the evaluation and research of AHs.

Main Methods:

  • A comprehensive literature review and synthesis was conducted, focusing on research from 1990-2020.
  • Keywords included auditory hallucinations, schizophrenia, and central auditory disorders, with searches in PubMed, Google Scholar, and other sources.
  • The review covered categorization, prevalence, models, mechanisms, anatomy, pathophysiology, and audiological correlates of AHs.

Main Results:

  • Studies indicate compromised auditory cortex in schizophrenia patients with AHs, supported by anatomical, physiological, and functional imaging data.
  • Behavioral audiological measures reveal subpar performance in this patient population, aligning with audiology's expertise.
  • Evidence suggests AHs in schizophrenia may represent a disorder with both auditory and psychiatric components.

Conclusions:

  • Accumulating neurobiological and audiological evidence supports viewing auditory hallucinations in schizophrenia as both an auditory and psychiatric disorder.
  • Audiologists are encouraged to broaden their scope and contribute to the clinical investigation of AHs.