This study will evaluate the effects of daily phosphatidylserine supplementation on electronic gaming performance, cognitive function, sleep quality, stress-related outcomes, and autonomic responses in healthy adult gamers. Participants will be enrolled in a randomized, double-blind, placebo-controlled, parallel-group study and assigned to receive placebo, 100 mg phosphatidylserine, or 200 mg phosphatidylserine daily for 6 weeks. Outcome measures will be assessed at baseline, Week 3, and Week 6 and will include electronic gaming performance, cognitive function, visual analog scale ratings, sleep quality questionnaires, hemodynamic responses, and heart rate variability. The study is designed to determine whether daily phosphatidylserine supplementation can improve performance and selected physiological and psychological outcomes during prolonged electronic gaming sessions.
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Gaming Performance Score
Timeframe: Change from baseline (Week 0) to Week 6
Trail Making Test Part A (Completion Time)
Timeframe: Change from baseline (Week 0) to Week 6
Trail Making Test Part B (Completion Time)
Timeframe: Change from baseline (Week 0) to Week 6
Trail Making Test Part A (Errors)
Timeframe: Change from baseline (Week 0) to Week 6
Trail Making Test Part B (Errors)
Timeframe: Change from baseline (Week 0) to Week 6
Stroop Color and Word Test Performance
Timeframe: Change from baseline (Week 0) to Week 6
Profile of Mood States (POMS) Total Mood Disturbance Score
Timeframe: Change from baseline (Week 0) to Week 6
Pittsburgh Sleep Quality Index (PSQI) Score
Timeframe: Change from baseline (Week 0) to Week 6
Heart Rate Variability (HRV)
Timeframe: Change from baseline (Week 0) to Week 6