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البلاد
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Voice-based age estimation tool
Researchers from the Global Brain Health Institute at Trinity College Ireland developed a computer tool called "Speech Clock" that can estimate a person's biological age from their voice and reveal indicators associated with aging, cognitive decline, and dementia. The tool analyzes speech rate, pauses, pitch, and vocabulary to calculate the difference between the actual age and the age suggested by the voice. It was tested on the voices of 2,928 participants from several Spanish-speaking countries, including healthy individuals, Alzheimer's patients, and those with dementia. The results showed that people whose voices sounded older than their actual ages were more prone to memory and thinking impairments. Larger age gaps were linked to brain and DNA changes, particularly with elevated levels of the "Tau 217" protein in Alzheimer's patients. This suggests that voice carries information about aging that surpasses previous expectations.
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