Future longitudinal studies with larger sample sizes and the use of adequate assessment tools that can disentangle cognitive dysfunction from sensory impairments are warranted.Īge-related hearing loss (ARHL), known as presbycusis as well, is a progressive disorder that affects hearing functions. Finally, we highlight the importance of tailoring the rehabilitation strategy to this relationship. This review aims to summarize the evidence of associations between age-related CAPD and cognitive disorders and to define the diagnostic procedure of CAPD in the elderly. The assumption that ARHL, particularly age-related CAPD, may increase the risk of cognitive impairment in the elderly remains unchallenged. Since these two disorders can be concomitant, drawing causal inferences is difficult. Therefore, age-related CAPD could be a specific process related to neurodegeneration. Even if very few studies have analyzed the relationship between cognitive decline and age-related CAPD, a strong association was highlighted. Peripheral ARHL has recently been defined as the modifiable risk factor with the greatest impact on the development of dementia. In the last two decades, the association between cognitive impairment and ARHL has received great attention. The relationship between auditory-perception and speech communication difficulties in age-related CAPD is difficult to establish, mainly because many older subjects have concomitant peripheral ARHL and age-related cognitive changes. Among ARHL components, the age-related central auditory processing disorder (CAPD) refers to changes in the auditory network, negatively impacting auditory perception and/or the speech communication performance.
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