COGNITIVE PERFORMANCE

This study tested whether a daily berry leaf extract supplement could improve memory, attention, and mood in healthy adults aged 60 to 80 who felt their memory was slipping. Over 100 participants took either the extract or a placebo for several weeks. Researchers measured changes…

This study looked at whether adjusting hearing aids helps older adults communicate more easily and with less mental effort and fatigue. Sixty people aged 60 and older with hearing loss who had never used hearing aids took part. Researchers measured listening effort, fatigue, and …

This study tested whether 20 hours of executive function training could improve thinking skills and reduce mental ups and downs in adults over 40 with HIV-related cognitive problems. 119 participants were split into a training group and a no-contact control group. The goal was to…

This study looked at how caffeine and L-theanine, taken alone or together, affect physical and cognitive performance in 20 healthy competitive athletes. Participants took capsules of caffeine, L-theanine, both, or a placebo before doing strength, endurance, and hand-eye coordinat…

This study looked at how different amounts of caffeine affect physical and mental performance in 20 female handball players. Each player tried a placebo, a low dose (3 mg/kg), and a moderate dose (6 mg/kg) of caffeine. They were tested on running, throwing speed, and reaction tim…

This study looked at whether being active in nature (like walking outdoors) is better for your brain, mood, and stress than exercising indoors. 69 adults were split into groups: outdoor walking, sitting outdoors, indoor treadmill walking, or no activity. Researchers measured atte…

This study looked at how the intensity of a single run affects a brain health marker called BDNF, blood lactate, and performance on a thinking test in 12 healthy young men aged 18-25. Participants completed four different running sessions (low, moderate, high intensity, and rest)…

This study looked at whether taking creatine and L-arginine together, just once, can improve short bursts of exercise and mental reaction time in healthy, active men. Eighteen men tried each supplement alone, together, or a placebo, then did sprint, jump, and brain tests. The goa…

This study looked at whether taking a dietary supplement for 60 days could improve thinking and mood in 75 university students aged 18 and older. Participants were split into three groups: two received different supplements, and one got a placebo (dummy pill). Researchers checked…

This study looked at how a single session of neuroathletic training—exercises that target the brain's control of movement—affects muscle strength, balance, and thinking in people who don't exercise regularly. 52 healthy adults aged 18-30 took part. The goal was to see if this app…