Cognitive functions

Researchers are testing whether taking ashwagandha, a plant extract used in traditional medicine, for 12 weeks alongside regular weight training can improve muscle strength, reduce stress hormones, and support sleep and thinking in healthy men aged 25 to 40. Participants will tak…

This study tests whether taking equol, a compound from soy, for 12 weeks can improve blood vessel function in postmenopausal women with moderate chronic kidney disease (stages 3-4). The goal is to lower their high risk of heart disease. Researchers will measure changes in artery …

This trial tests whether an 8-week sports-based structured cognitive therapy program can improve attention, memory, and behavior in school children aged 8-12 who have mild to moderate difficulties. Half the children will do this program three times a week, while the other half do…

This study tests whether a 14-session cognitive stimulation therapy group can improve thinking skills, mood, and quality of life for older adults (60+) with dementia or mild cognitive impairment living in residential homes. About 110 participants will be randomly assigned to eith…

This study compares two common anesthesia methods—intravenous drugs and inhaled gases—to see how they affect thinking skills after sleeve gastrectomy (weight-loss surgery). Researchers will measure how quickly patients wake up and follow commands, and test their memory and attent…

This study looks at how sleep quality relates to cognitive functions like attention, memory, and problem-solving in 75 healthy adults aged 18-35. Participants will wear a sleep tracker for five nights and complete thinking tests. The goal is to better understand the link between …

This study looks at how obstructive sleep apnea (OSA) affects thinking, memory, and other brain functions in adults. Researchers will follow 30 people with newly diagnosed OSA for 12 months to see if using a breathing device (positive airway pressure therapy) helps protect the br…