Auditory hallucinations in adults with hearing impairment: a large prevalence study

M. M. J. Linszen, G. A. van Zanten, R. J. Teunisse, R. M. Brouwer, P. Scheltens, I. E. Sommer

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background: Similar to visual hallucinations in visually impaired patients, auditory hallucinations are often suggested to occur in adults with hearing impairment. However, research on this association is limited. This observational, cross-sectional study tested whether auditory hallucinations are associated with hearing impairment, by assessing their prevalence in an adult population with various degrees of objectified hearing impairment. Methods: Hallucination presence was determined in 1007 subjects aged 18–92, who were referred for audiometric testing to the Department of ENT-Audiology, University Medical Center Utrecht, the Netherlands. The presence and severity of hearing impairment were calculated using mean air conduction thresholds from the most recent pure tone audiometry. Results: Out of 829 participants with hearing impairment, 16.2% (n = 134) had experienced auditory hallucinations in the past 4 weeks; significantly more than the non-impaired group [5.8%; n = 10/173; p < 0.001, odds ratio 3.2 (95% confidence interval 1.6–6.2)]. Prevalence of auditory hallucinations significantly increased with categorized severity of impairment, with rates up to 24% in the most profoundly impaired group (p < 0.001). The corrected odds of hallucination presence increased 1.02 times for each dB of impairment in the best ear. Auditory hallucinations mostly consisted of voices (51%), music (36%), and doorbells or telephones (24%). Conclusions: Our findings reveal that auditory hallucinations are common among patients with hearing impairment, and increase with impairment severity. Although more research on potential confounding factors is necessary, clinicians should be aware of this phenomenon, by inquiring after hallucinations in hearing-impaired patients and, conversely, assessing hearing impairment in patients with auditory hallucinations, since it may be a treatable factor.
LanguageEnglish
Pages132-139
Number of pages8
JournalPsychological Medicine
Volume49
Issue number1
Early online date20 Mar 2018
DOIs
Publication statusPublished - 1 Jan 2019

Cite this

Linszen, M. M. J. ; van Zanten, G. A. ; Teunisse, R. J. ; Brouwer, R. M. ; Scheltens, P. ; Sommer, I. E. / Auditory hallucinations in adults with hearing impairment: a large prevalence study. In: Psychological Medicine. 2019 ; Vol. 49, No. 1. pp. 132-139.
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abstract = "Background: Similar to visual hallucinations in visually impaired patients, auditory hallucinations are often suggested to occur in adults with hearing impairment. However, research on this association is limited. This observational, cross-sectional study tested whether auditory hallucinations are associated with hearing impairment, by assessing their prevalence in an adult population with various degrees of objectified hearing impairment. Methods: Hallucination presence was determined in 1007 subjects aged 18–92, who were referred for audiometric testing to the Department of ENT-Audiology, University Medical Center Utrecht, the Netherlands. The presence and severity of hearing impairment were calculated using mean air conduction thresholds from the most recent pure tone audiometry. Results: Out of 829 participants with hearing impairment, 16.2{\%} (n = 134) had experienced auditory hallucinations in the past 4 weeks; significantly more than the non-impaired group [5.8{\%}; n = 10/173; p < 0.001, odds ratio 3.2 (95{\%} confidence interval 1.6–6.2)]. Prevalence of auditory hallucinations significantly increased with categorized severity of impairment, with rates up to 24{\%} in the most profoundly impaired group (p < 0.001). The corrected odds of hallucination presence increased 1.02 times for each dB of impairment in the best ear. Auditory hallucinations mostly consisted of voices (51{\%}), music (36{\%}), and doorbells or telephones (24{\%}). Conclusions: Our findings reveal that auditory hallucinations are common among patients with hearing impairment, and increase with impairment severity. Although more research on potential confounding factors is necessary, clinicians should be aware of this phenomenon, by inquiring after hallucinations in hearing-impaired patients and, conversely, assessing hearing impairment in patients with auditory hallucinations, since it may be a treatable factor.",
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Auditory hallucinations in adults with hearing impairment: a large prevalence study. / Linszen, M. M. J.; van Zanten, G. A.; Teunisse, R. J.; Brouwer, R. M.; Scheltens, P.; Sommer, I. E.

In: Psychological Medicine, Vol. 49, No. 1, 01.01.2019, p. 132-139.

Research output: Contribution to journalArticleAcademicpeer-review

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