COGNITIVE PERFORMANCE

This study tested whether a daily berry leaf extract supplement could improve memory, attention, and mood in healthy adults aged 60-80 who had minor memory complaints. 109 participants took either the supplement or a placebo for a set period. Researchers measured changes in think…

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

This study looked at how caffeine and L-theanine, taken alone or together, affect physical and cognitive performance in 20 healthy competitive athletes aged 18-30. Each participant completed four test sessions, receiving either caffeine, L-theanine, both, or a placebo. The goal w…

This study looked at how different amounts of caffeine affect physical and cognitive 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. The goal was to see if caffeine improves running, reaction…

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 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 in random order. Results measured sprint power, …

This study looked at whether being active outdoors helps thinking, mood, and stress more than exercising indoors. 69 adults were placed into groups: walking outside, sitting outside, walking on a treadmill indoors, or no activity. Researchers measured attention, memory, stress ho…

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

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 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…