Motor–Cognitive Performance After Cold Exposure Therapy: Wearable EEG Mini-Golf Study
IEEE 39th International Symposium on Computer-Based Medical Systems (CBMS) 2026
Limassol, Cyprus, June 2026 · Published; full paper on IEEE Xplore
Putting on the indoor mat right after the cold plunge, Muse 2 headband recording.
Cold water immersion triggers a burst of sympathetic activation and norepinephrine that may sharpen attention and motor precision once you warm back up. In a multi-session field study, nine participants did standardized mini-golf putting before and after a cold plunge, with a subset wearing Muse 2 EEG headbands while they putted.
Scores improved in five of seven scored participants, the theta/beta ratio fell and frontal alpha asymmetry shifted toward approach motivation. Follow-up sessions added cognitive batteries (PASAT, serial subtraction) and blood pressure, which fell after the plunge in everyone measured. A small study, but a consistent picture of acutely heightened focus after cold water.
Abstract
Cold water immersion (CWI) triggers acute sympathetic activation and norepinephrine release, effects that may transiently enhance attention and motor precision after rewarming. We report a multi-session field study combining CWI with motor and cognitive assessments. In Session 1 (February 25), nine participants completed standardized mini-golf putting before and after a cold plunge; a subset wore Muse 2 EEG headbands (4-channel, 256 Hz) during putting before CWI (n = 3, 101 epochs) and after (n = 4, 110 epochs). Mini-golf scores improved in five of seven scored participants (+18.4% group mean). EEG theta/beta ratio (TBR) decreased by 12.0%, and frontal alpha asymmetry (FAA) shifted from +0.18 to +2.46, consistent with heightened alertness and approach motivation. In follow-up sessions, participants completed cognitive batteries before and after CWI with concurrent EEG. Across all sessions, three participants with pre/post cognitive data maintained or improved PASAT accuracy; one improved from 7/10 to 10/10 and reduced serial subtraction time by 30%. Blood pressure decreased after CWI in all measured participants. These findings suggest that a single cold plunge may acutely enhance focused attention and motor–cognitive performance.
Authors
Alexander Vicol, Gianella Bejar-Alvarez, Sarah Hassaballa, Shiyuan Luo, Nancy Wong, Steve Mann
Links
- Paper on IEEE Xplore (DOI 10.1109/CBMS69103.2026.00075)
- Related project: Cocaine Buzzkill
- Related project: Chirplets in the Snow