Cognitive performance

This study looks at whether eating 50 grams of walnuts every day for 24 weeks can improve brain function in adults aged 45-75 with abdominal obesity. Researchers will measure blood flow in the brain and how well the brain responds to insulin, as well as thinking skills and appeti…

This study tests whether a short-term, intensive form of PTSD therapy can quickly reduce symptoms and improve thinking skills in military personnel. Participants receive either Cognitive Processing Therapy (CPT) or Eye Movement Desensitization and Reprocessing (EMDR) over a conde…

This study tests whether taking a daily supplement of lutein, zeaxanthin, and fish oil for six months can improve thinking skills, eye health, and bone density in healthy adults. Researchers will enroll 80 people with low levels of a key eye pigment. Participants will take either…

This study is testing whether a dietary supplement called AP-Brain can improve memory and thinking in healthy adults aged 40 to 79 who feel their memory is slipping. Participants will take different doses (1g, 3g, or 5g) or a placebo for 56 days and complete computer-based memory…

This trial tests whether a multisensory brain-training method, called audiovisual entrainment neurofeedback, can help high school students reduce academic anxiety and improve creative thinking. Participants will use a wearable EEG headset and heart rate monitor during six session…

This study tests whether listening to a 30-minute audio track with special binaural beats (adjusted by brain activity) can reduce stress and improve thinking in 32 college music students preparing for a concert. Participants will have brain scans before and after listening to eit…

This study follows 600 adults who have had their first stroke to see how their thinking and memory change over time. Researchers will look at factors like brain reserve and daily habits to understand why some people get worse while others stay stable. The goal is to better predic…

This study looks at whether taking L-serine (an amino acid) with or without strength training can improve memory, thinking, and physical fitness in healthy adults aged 65 to 85. Over 48 weeks, participants will take either a placebo, L-serine, or L-serine plus strength training. …