COGNITION

This study will see if painting roofs with a special reflective coating can lower indoor temperatures and improve health for 800 people in Tavua, Fiji. Researchers will measure things like heart rate, blood sugar, mood, and sleep quality. The goal is to find a simple, low-cost wa…

This study will test whether special reflective roof coatings, called cool roofs, can lower indoor temperatures and improve health for people living in hot areas of Colima, Mexico. About 800 households will take part, and researchers will measure things like heart rate, blood sug…

This study tests whether a supplement called AP-Brain can improve attention and thinking in healthy adults aged 18-39 who feel they have trouble focusing. Participants will take different doses of AP-Brain or a placebo daily for 56 days and complete memory and attention tests. Th…

This study looks at whether intensive music therapy can improve thinking skills like memory and attention in people recovering from a stroke. It involves 36 adults who had a stroke within the last 3 months and have mild to moderate cognitive issues. The goal is to see if music th…

This study tests whether two nutritional supplements can help adults aged 25-60 who have mild sleep troubles. Over 28 days, participants take either a supplement or a placebo. Researchers measure sleep quality, gut health, memory, and stress levels to see if the supplements make …

This study tests whether a supplement called AP-Brain can improve memory and thinking in healthy adults aged 40 to 79 who feel their memory is slipping. About 120 participants will take either a low, medium, or high dose of AP-Brain or a placebo daily for 56 days. Their cognitive…

This study tests whether a gentle, non-invasive brain stimulation technique called tDCS can improve memory, attention, and multitasking in veterans who have both mild traumatic brain injury (mTBI) and PTSD. About 46 veterans will receive either real or fake tDCS while doing cogni…

This study tests if a brief, phone-delivered insomnia treatment (BBTI) can improve sleep and thinking in older adults with HIV compared to a mindfulness approach. 214 participants aged 50+ with insomnia will complete 4 weeks of therapy and be followed for a year. The goal is to s…

This study will test whether a 16-week Pilates program done at home via video calls can improve walking, balance, fatigue, and pain in people with multiple sclerosis (MS). About 50 adults with mild to moderate MS will be assigned to either the Pilates group or a waitlist. Researc…

This study reviews data from 1,000 healthy adults who completed 60 sessions of hyperbaric oxygen therapy (HBOT). Researchers want to see if the therapy improves exercise endurance and cognitive test scores. The goal is to understand how HBOT might benefit healthy people, not to t…

This early-stage study looks at whether taking a ketosis supplement before a 30-minute treadmill test can increase a brain protein called BDNF and improve thinking skills. Researchers will compare the supplement to a placebo in 50 healthy adults aged 18-35, focusing on those with…

This study looks at whether eating mango can improve immune function and thinking skills in healthy college students aged 18 to 30. Researchers will measure changes in immune cells and cognitive test scores after mango consumption. The goal is to learn more about the potential be…

This study aims to create and check the accuracy of new tests that measure how well the brain and arms work together. Researchers will compare 30 athletes and healthy adults to see if adding a thinking task (like reacting to lights) changes physical performance. The goal is to de…

This observational study will use a non-invasive brain-computer interface and artificial intelligence to detect and record brain activity in 20 terminally ill adults immediately after clinical death but before brain death. The goal is to understand if organized cognitive signals …

This study looks at whether different types of regular exercise can help protect against the negative effects of not getting enough sleep. Researchers will measure blood sugar control, blood vessel health, thinking skills, and energy use in 48 healthy adults aged 20-45. Participa…

This study looks at whether trying different ways of planning exercise (like trial-and-error) helps inactive older adults build lasting physical activity habits and improve memory and thinking. About 148 people aged 60+ who own a smartphone will wear a Fitbit for 9 months and do …

This study looks at how two medications, modafinil and d-serine, affect decision-making and brain activity in people who have had psychosis symptoms for less than five years. About 24 participants will take each drug or a placebo before playing computer brain games and having fMR…

This study aims to see how consistent the DiaMem memory test is when taken multiple times by the same person. Researchers will enroll 30 adults aged 60 and older, who will take memory tests daily for 6 days. The goal is to understand if DiaMem gives reliable results, which could …

This study looks at how doing mental tasks—like naming objects or remembering words—changes the way people with Parkinson's disease walk. Researchers will compare 30 people with Parkinson's to healthy volunteers of the same age and sex. The goal is to find out which type of think…

This study tests whether a mild, painless electrical stimulation on the ear (called taVNS) can improve thinking skills like memory and attention in healthy adults aged 18-30. Each participant will receive both the real stimulation and a fake (sham) version in separate sessions to…

This study is testing whether a smartphone chatbot that gives personalized exercise advice can help adults aged 65 and older who don't currently exercise to become more active and improve their thinking skills. About 90 participants will either get the chatbot plus educational ma…

This study will follow 2,800 adults aged 55 and older in Hangzhou, China, for many years. Researchers will collect information on diet, lifestyle, thinking skills, brain scans, and gut bacteria. The goal is to learn more about healthy aging and cognitive decline, not to test a tr…

This study looks at how a food-grade probiotic supplement affects the body and mind of healthy adults. Participants take one capsule daily for 1 or 6 months, complete online thinking tasks, and provide blood and stool samples. The goal is to see if the supplement is well tolerate…

This pilot study tests a 6-week program called WISDOM that uses WhatsApp and in-person sessions to help older adults in Singapore improve their digital health skills and possibly support brain health. Researchers will compare 140 participants who join the program with those who c…