COGNITIVE PERFORMANCE

This study tested whether a 20-hour computer brain training program could help older adults with HIV who have thinking and memory problems. Researchers enrolled 119 participants, mostly from the Deep South, to see if the training was practical and could improve their mental sharp…

This study tested whether taking dietary supplements for 60 days could improve university students' mental sharpness, mood, and stress levels. Seventy-five students were randomly assigned to receive one of two supplements or a placebo pill. Researchers measured changes in focus, …

This study tested whether common dietary supplements—caffeine and L-theanine (found in tea)—can improve physical and mental performance in athletes. Twenty young, competitive athletes took capsules containing caffeine, L-theanine, both, or a placebo on separate days. Researchers …

This study tested whether using hearing aids makes communication easier and less tiring for older adults with hearing loss. Researchers compared 60 people who received hearing aids to a group who got hearing education instead. They measured listening effort, mental fatigue, and s…

This study tested whether taking a daily berry leaf extract supplement for 12 weeks could improve memory, focus, and mood in healthy older adults who felt their memory was slipping. About 109 participants, aged 60-80, were randomly given either the real supplement or a placebo pi…

This study looked at how a single session of neuroathletic training—exercises designed to improve brain-body communication—affects non-athletic young adults. Researchers measured immediate changes in leg and back strength, balance, body awareness, and cognitive performance like a…

This study aimed to understand how a single session of different running intensities affects a blood marker linked to brain health (BDNF), lactate levels, and performance on a short attention task. Twelve healthy young men completed four separate sessions: low-intensity running, …