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Pear Therapeutics has struck a deal to license voice biomarkers to try to improve treatment for patients with illnesses ranging from Alzheimer’s to insomnia and substance use disorder.

In a flurry of announcements Tuesday, the Boston-based company said it is licensing voice biomarker technology from Winterlight Labs Inc., a startup from Toronto that uses machine learning to pinpoint vocal changes associated with the onset of dementia and psychiatric diseases.

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The deal marks one of the first attempts to demonstrate the clinical value of voice biomarkers to detect early signs of an illness, an eye-catching area of research that has yet to prove its worth in the lives of real patients.

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