The Science of Hearing, Listening, Amplification, and Cognition

Hearing Matters Podcast

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Join us for an enlightening discussion with Dr. Hannah Glick, an esteemed audiologist and cognitive neuroscientist from the University of Northern Colorado. Dr. Glick breaks down the intricate differences between hearing and listening, emphasizing how listening involves complex tasks like understanding speech amidst background noise. We also delve into how speech in noise tests might better correlate with cognitive function than traditional pure tone measures, challenging long-held conventions in auditory health.
Ever wondered if the common definition of "normal" hearing misses the mark? We tackle this question by scrutinizing the limitations of pure tone screenings, which often do not reflect real-world hearing challenges. Dr. Glick advocates for comprehensive audiometric evaluations and endorses speech in noise testing for early intervention. This nuanced approach aims not just to improve one's hearing but to enhance overall well-being, from social interactions to mental health. We also explore the potential of hearing handicap inventories as a more accurate measure of functional hearing impairment, calling for more meaningful patient conversations about auditory health.
Could wearing hearing aids actually boost your cognitive abilities? We investigate compelling studies, including the ACHIEVE study and Dr. Sarant's ENHANCE study, which link hearing aid use to improvements in cognitive function and even anatomical changes in the brain. Dr. Glick shares her own groundbreaking findings, which indicate significant cognitive benefits for adults at risk of mild cognitive impairment who use hearing aids. We round off the episode with an exploration of reminiscence therapy, spotlighting how recalling past experiences and lifelong learning can build cognitive resilience and stave off cognitive decline. This episode is a must-listen for anyone interested in the powerful intersection between auditory health and cognitive well-being.
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Chapter

1. The Science of Hearing, Listening, Amplification, and Cognition (00:00:00)

2. Auditory Capacity and Cognitive Function (00:00:19)

3. Reconsidering Normal Hearing Definitions (00:04:55)

4. Hearing Aid Benefits for Cognitive Function (00:14:06)

5. Reminiscence Therapy and Cognitive Resilience (00:29:45)