The relationship between hearing impairment and cognitive function: a meta‐analysis in adults

Schmulian, Dunay; Olaithe, Michelle; Brennan‐Jones, Christopher G.; Eikelboom, Robert H.; Bucks, Romola S.

doi:10.1111/coa.12607

Cited by 185 publications

(164 citation statements)

References 34 publications

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“…Subsequently, it is recommended that future studies draw from the experience of the field of cognitive psychology, especially from studies investigating emotional disorders such as chronic pain and anxiety where attentional biases can impact upon cognition (Andersson et al, 2005), and from studies exploring the relationship between hearing loss and cognition (Taljaard et al, 2016). Future studies exploring the relationship between tinnitus and cognition need to employ strategies that evaluate cognitive function, and control for, or account for, confounding variables.…”

Section: Limitations and Directions For Future Studymentioning

confidence: 99%

The impact of tinnitus upon cognition in adults: A systematic review

Tegg-Quinn

Bennett

Eikelboom

et al. 2016

International Journal of Audiology

102

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Objective: To systematically review and analyse experimental outcomes of studies exploring the impact of tinnitus upon cognitive function and their implications for clinical management of invasive tinnitus. Design: A systematic and descriptive review. Study sample: Eighteen studies were identified investigating the impact of tinnitus on cognitive function. Results: The 18 studies evaluated cognitive function using 24 different objective behavioural tests, nine electrophysiological recordings, one oculomotor test, and one self-report questionnaire. The studies spanned 18 years and revealed numerous interactions potentially contributing to the cognitive difficulties frequently reported by people with invasive tinnitus. The studies indicate a clear association between tinnitus and aspects of cognitive function, specifically the executive control of attention. Conclusions: Tinnitus impairs cognitive function by way of impact upon executive control of attention. Clinical management of patients reporting tinnitus and cognitive difficulties requires an understanding of the reciprocal relationship between tinnitus and cognitive function, with additive effects of anxiety, depression, and somatic cognitive bias. Further study is required to establish the impact of advancing age, hearing loss, anxiety, depression tinnitus duration, and distress upon cognitive function in people with invasive tinnitus.

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Section: Limitations and Directions For Future Studymentioning

confidence: 99%

The impact of tinnitus upon cognition in adults: A systematic review

Tegg-Quinn

Bennett

Eikelboom

et al. 2016

International Journal of Audiology

102

View full text Add to dashboard Cite

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“…The degree of cognitive impairment (especially in memory and executive function) associated with HL is clinically significant; a 25 dB HL is associated with a reduction in cognitive performance equivalent to an age difference of 7 years [5]. A meta-analysis of 33 studies demonstrated a medium effect size (Cohen's d = 0.54) of the association of HL with cognitive impairment across all domains of cognition [4]. The potential implications for HL interventions are several.…”

Section: Discussionmentioning

confidence: 99%

“…Taljaard et al [4] found that hearing intervention significantly improved cognition ( d = 0.49, small effect) in a recent meta-analysis, though they comment that this may be attributable to reasons other than improvement in cognition, such as increased audibility of auditory tests or reduced cognitive load. The effect has been documented following both hearing aid use and cochlear implantation [31,32].…”

Section: Discussionmentioning

confidence: 99%

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Hearing Loss and Risk of Mild Cognitive Impairment and Dementia: Findings from the Singapore Longitudinal Ageing Study

Heywood

Gao

Nyunt

et al. 2017

Dement Geriatr Cogn Disord

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Aim: To investigate the associations between hearing loss and prevalent and incident mild cognitive impairment (MCI), dementia and MCI or dementia (all cases). Methods: Cross-sectional and longitudinal analyses of baseline and follow-up data were performed in a population-based cohort. The baseline sample of 2,599 adults aged ≥55 included 1,515 cognitively normal subjects who were followed up to 8 years. Hearing loss at baseline was determined by the whispered voice test, and MCI and dementia by Mini-Mental State Examination screening, Clinical Dementia Rating scale, neurocognitive tests, MRI, and panel consensus diagnosis. Results: Hearing impairment was associated with increased prevalence of dementia (odds ratio = 3.63, 95% confidence interval [CI] 1.16-11.4, p = 0.027) but not MCI alone or all cases of MCI or dementia, adjusted for sex, age, ethnicity, education, central obesity, hypertension, diabetes, dyslipidemia, smoking, alcohol, leisure time activity, cardiac diseases, and depressive symptoms. Among participants who were cognitively normal at baseline, those with hearing impairment were more likely to develop MCI or dementia (hazard ratio [HR] = 2.30, 95% CI 1.08-4.92, p = 0.032). Hearing loss was associated with elevated but statistically nonsignificant estimates of adjusted HR (1.85, 95% CI 0.78-4.40) for incident MCI alone. Conclusions: Hearing loss is independently associated with prevalent dementia and incident MCI or dementia.

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“…Recent work, including a meta-analysis of 33 studies [6], reported that SNHL is independently related to both cognitive impairment [7] and the risk of incident dementia [4], and perhaps most critically, that the degree of hearing loss predicts both the degree of cognitive impairment [1] and risk of dementia [4]. Furthermore, recent work suggests that 9% of dementia risk over the life-course could be eliminated by avoiding the effects of hearing loss [5].…”

Section: Introductionmentioning

confidence: 99%

Hearing Aid Use in Older Adults With Postlingual Sensorineural Hearing Loss: Protocol for a Prospective Cohort Study (Preprint)

Hughes¹,

Nkyekyer²,

Innes‐Brown³

et al. 2018

Preprint

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The relationship between hearing impairment and cognitive function: a meta‐analysis in adults

Abstract: This meta-analysis suggests that hearing impairment is associated with cognitive problems. However, due to diversity within studies, small sample sizes, the failure to control for premorbid and other health factors, this conclusion may be premature.

Cited by 185 publications

References 34 publications

The impact of tinnitus upon cognition in adults: A systematic review

The impact of tinnitus upon cognition in adults: A systematic review

Hearing Loss and Risk of Mild Cognitive Impairment and Dementia: Findings from the Singapore Longitudinal Ageing Study

Hearing Aid Use in Older Adults With Postlingual Sensorineural Hearing Loss: Protocol for a Prospective Cohort Study (Preprint)

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