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Hearing loss in older adults is linked to cognitive decline through shared brain connectivity issues, suggesting a potential dementia risk and a new biomarker.
A new study links age-related hearing loss to cognitive decline by identifying a shared neurobiological basis through the Functional-Structural Ratio (FSR), a measure of brain connectivity.
Researchers found weakened connections in key brain regions involved in hearing, memory, and decision-making among adults with presbycusis, correlating with poorer hearing and cognitive performance.
The findings suggest that hearing loss may reflect a broader decline in brain structure and function, potentially raising dementia risk, and point to FSR as a possible future biomarker for assessing brain health.
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La pérdida de audición en los adultos mayores está relacionada con el deterioro cognitivo a través de problemas compartidos de conectividad cerebral, lo que sugiere un riesgo potencial de demencia y un nuevo biomarcador.