Cognitive performance

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 asks whether simply believing you've taken caffeine can improve physical and mental performance, even when you've actually received a placebo. Healthy adults aged 20–30 will complete four cycling sessions, sometimes getting real caffeine and sometimes a dummy pill, whi…

Researchers are testing whether short bursts of physical activity during university classes change students' focus, memory, and immediate academic performance. About 700 university students take part in four different 15-minute classroom conditions: a sedentary free break, a sede…

This study asks whether judo-specific fitness is linked to better attention and self-control in young male judo athletes. Researchers will compare licensed judokas who train at least three days a week with non-athletes. Judo athletes will do a high-intensity throwing test, and bo…

This study explores whether believing you've taken caffeine can improve physical performance in real-world sports settings. Healthy, physically active adults will be randomly assigned to receive caffeine, a placebo (starch capsule), or no treatment, then perform sport-specific ex…

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…