Original Investigation

Frontal Release Signs and Future Decline in Research Participants With Intact Cognition

JAMA Network Open 10.1001/jamanetworkopen.2026.17060

June 05, 2026 at 11:00 AM EDT

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Are frontal release signs (FRS), such as snout, grasp, and palmomental reflexes, associated with future cognitive decline?In this cohort study that included 873 older participants with intact cognition or mild impairment, having 2 or more FRS (FRS positive) was associated with increased hazard of dementia for those who were cognitively intact at baseline, with more participants who were FRS positive progressing to dementia during follow-up compared with participants who were not FRS positive.These findings suggest that FRS should serve as an adjunct to other cognitive screening measures in the clinic.

Corresponding Author: Lauren G. Bojarski, DO, MS, University of Kentucky Sanders-Brown Center on Aging, 46 Tuscan Dr, Morgantown, WV 26508 (lauren.bojarski@gmail.com).

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