COGNITIVE PERFORMANCE

This study looks at whether eating 50 grams of walnuts every day for 24 weeks can improve brain function in adults aged 45-75 with abdominal obesity. Researchers will measure blood flow in the brain and how well the brain responds to insulin, as well as thinking skills and appeti…

This study tests whether listening to a 30-minute audio track with special binaural beats (adjusted by brain activity) can reduce stress and improve thinking in 32 college music students preparing for a concert. Participants will have brain scans before and after listening to eit…

This study tests a blackcurrant-based drink called Ārepa to see if it helps thinking and mood during simulated high altitude (4,500 meters). Twenty-seven healthy men will take the drink or a placebo in random order, then do thinking tasks and have their heart rate, oxygen levels,…

This study looks at whether drinking caffeinated coffee helps professional chess players think faster and make better moves during tournament games. Twelve top-level players (rated 2300-2600 Elo) will play chess after drinking either regular coffee or decaf, without knowing which…

This study looks at how holding your breath underwater affects thinking and body functions in trained female divers. Thirty licensed divers will do three different sessions: a control, breath-hold training on land, and breath-hold training in water. Researchers will measure memor…

This study looks at whether eating 4-5 servings of dairy foods daily (like milk, cheese, and yogurt) can improve brain function and thinking skills in overweight adults aged 40-75. Participants will be randomly assigned to a high-dairy or low-dairy diet for several weeks. Researc…