Grant: Project Grant

Older adults with hearing loss walk more slowly and have a greater risk of falls compared to normal-hearing individuals of the same age. Other work suggests that this relationship is influenced by one's cognitive capacity, which compensates for both auditory and mobility decline in old age. Therefore, we aim to train cognition to expand such compensatory capacity. Based on our preliminary work, we anticipate training-related improvements in listening and mobility, particularly under complex conditions such as listening while walking. We will also include standard tests of cognition, hearing, and mobility, to assess the extent to which our training program affects each component of functioning separately. To address early hearing loss, we will include middle-aged adults, healthy older adults, and those with hearing impairment. Our outcome measures will include cutting-edge mobile neuroimaging equipment to assess the brain changes that arise from training. We will also simulate everyday listening activities using virtual reality technology, and measure the impact of training on self-reported ease of listening and on performing other everyday tasks. Overall, this project will potentially offer a novel approach to standard audiological rehabilitation practices (e.g., hearing aid adoption, adjustments to one's environment). As well, cognitive training might be a feasible early intervention for those who are not ready for hearing aids, but who have difficulty in challenging listening situations (e.g., hearing in noisy environments). In general, preventive practices that improve mobility, independence, and reduce the risk of falling have potentially important implications for the health care resources devoted to emergency and follow-up care of Canadian seniors.