New 'hidden in plain sight' facial and eye biomarkers for tinnitus severity could unlock path to testing treatments

Researchers at Mass General Brigham have identified new biomarkers for tinnitus by measuring pupil dilation and subtle facial movements that correlate with the level of distress caused by the disorder. Published in Science Translational Medicine, the findings could lead to placebo-controlled treatment studies that have largely not been feasible due to lack of objective measures.

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