Cognitive disorder

This study tests whether a Mediterranean diet and regular walking can improve memory and thinking in adults with non-alcoholic fatty liver disease (NAFLD). 45 participants aged 18-42 will be split into three groups: general health advice, a structured Mediterranean diet, or the d…

This study tests whether spermidine, a natural substance found in foods like soy and aged cheese, can improve heart and muscle health in elderly people with coronary artery disease. 180 participants aged 65 and older will receive either spermidine capsules or a placebo for a peri…

This phase 3 trial tested whether giving preterm babies a drug called darbepoetin weekly could improve their brain development and reduce the need for blood transfusions. 650 infants born between 23 and 28 weeks of pregnancy were treated until they reached 35 weeks or went home. …

This study tested an experimental drug called XPro1595 in 208 people with early Alzheimer's disease who also had signs of brain inflammation. The goal was to see if the drug could improve memory, thinking, and daily function compared to a placebo over 24 weeks. Researchers also c…

This phase 2 trial investigates whether lenalidomide, a drug that calms inflammation, can slow cognitive decline in people with mild cognitive impairment due to Alzheimer's disease. Participants take lenalidomide or a placebo for up to 12 months, followed by a 6-month washout per…

This completed study looked at whether two different blood thinners—dabigatran (Pradaxa) and warfarin (Coumadin)—could help prevent memory loss and dementia in people over 65 with atrial fibrillation (an irregular heartbeat). A total of 101 participants were randomly assigned to …

This study tested whether personalized notifications from a Fitbit—about sleep, activity, and nutrition—could improve thinking skills and muscle mass in adults over 65. Over 350 older adults in Japan wore a Fitbit for 6 months and received automatic tips, while a control group go…

This study tested whether using low tidal volume (gentle) ventilation during heart-lung bypass surgery can lower the risk of postoperative delirium—a state of confusion that can slow recovery. Researchers compared 130 patients who received either low tidal volume ventilation or n…

This study tested whether adding structured supportive psychotherapy to the antipsychotic drug risperidone helps improve thinking and reduce inflammation in people with schizophrenia. Forty-six male patients were split into two groups: one received risperidone plus 12 therapy ses…

This completed study tested whether painting metal roofs with a special heat-reflecting coating can lower indoor temperatures and improve health in Niue, a Pacific island nation facing record heat. Researchers enrolled 288 adults living in single-story homes with metal roofs. The…

This study tested a 12-week intensive exercise program (aerobic and resistance training) in 58 adults aged 40-85 with type 2 diabetes and mild cognitive issues. The goal was to see if exercise could improve thinking, blood sugar, inflammation, and physical function. Results may h…

This study tested whether eating one avocado and one cup of mango daily for 8 weeks could improve blood vessel health and thinking in 82 adults with pre-diabetes. Participants were randomly assigned to either a diet including these fruits or a matched control diet. Researchers me…

This completed study looked at whether remote virtual reality rehabilitation and a ketoacid supplement (Ketosteril) could help people with chronic kidney disease (stages 3b-5) who also have mild cognitive issues. The 15 participants were split into groups: one got the supplement,…

This study tested an experimental drug called SAGE-718 in 26 people with mild cognitive impairment or mild dementia due to Alzheimer's disease. The main goal was to see if the drug is safe and tolerable, and to check for any effects on thinking and mood. Participants took SAGE-71…

This large study is testing a simple, low-cost digital screening tool called ToolboxDetect to help primary care doctors identify early signs of cognitive decline or dementia in adults aged 65 and older. Over 41,000 participants from diverse backgrounds will take a short computer …

This study looked at whether a special brain scan called 18F-FDG PET can help doctors tell the difference between cognitive problems caused by psychiatric conditions versus neurodegenerative diseases like Alzheimer's. Researchers studied 20 adults with cognitive impairment who ha…

This study tested whether a special PET scan using florbetapir can help doctors figure out why some people develop memory and thinking problems after a stroke. The scan looks for amyloid plaques, a hallmark of Alzheimer's disease. Researchers studied 92 adults aged 40 to 80 who h…

This study checked if a Turkish version of the MoCA-B test can correctly tell the difference between healthy people, those with mild memory problems, and those with dementia. The test was given to 166 adults aged 50-100 with little or no schooling. The goal was to find the best c…

This study tested an artificial intelligence platform that screens for cognitive dysfunction by analyzing eye movements. Over 1,500 participants, including people with various dementias and healthy individuals, took part. The AI aims to detect cognitive impairment and provide ref…

This trial tests whether solanezumab, an antibody that targets amyloid plaques in the brain, can slow the progression of memory problems in people who have no symptoms but show early signs of Alzheimer's-related brain changes. Participants are older adults with normal thinking an…

This trial tests whether a structured lifestyle program—combining exercise, healthy eating, cognitive training, and social activities—can slow cognitive decline in older adults at risk of dementia. Participants aged 60-80 with modifiable risk factors will be randomly assigned to …

This completed study tested a program called HomeStyles-2, which aims to help parents of children aged 6 to 11 create healthier home environments. The program focuses on improving diet, physical activity, and sleep habits to prevent obesity. Over 450 families participated, with s…

This study looked at whether a home-based physical activity program and computer-based cognitive training could help prevent memory loss in older women with heart disease. 253 women aged 65 and older participated. The goal was to see if these lifestyle changes could improve memor…

This early-stage trial tested a drug called MW151 in 27 adults with brain tumors who were receiving whole-brain radiation. The drug aims to reduce brain inflammation and prevent memory and thinking problems that often follow radiation. The study focused on safety, but also looked…

This pilot study is testing the safety of fisetin, a natural compound found in fruits and vegetables, in 5 older adults with mild Alzheimer's or mild cognitive impairment. Participants will take fisetin daily for a period, and researchers will monitor for side effects. The goal i…

This study tests whether watching a virtual reality (VR) video of an electroconvulsive therapy (ECT) session can reduce anxiety and improve knowledge about the procedure. About 64 adults about to have ECT for the first time will be randomly assigned to either a VR education sessi…

This study tests whether a special therapy using sights, sounds, touch, and other senses can help people with moderate Alzheimer's think clearer, feel calmer, and behave better. It also looks at whether this therapy reduces stress for their caregivers. Twenty-four people aged 65 …

This study tested a new exercise device called FitMi AD in 31 people with mild cognitive impairment or mild dementia due to Alzheimer's. The device uses sensors to track movements while users follow exercises shown on a computer screen. Researchers measured improvements in balanc…

This study tests whether giving caffeine to adults aged 70 and older after major surgery can lower their risk of postoperative delirium—a state of sudden confusion. Researchers will compare low-dose and high-dose caffeine against a placebo in 250 participants. The goal is to see …

This study looks at whether a supplement called Alpha Brain can help healthy adults think more clearly, stay alert, and feel better when they haven't had enough sleep. About 34 people will take the supplement or a placebo in random order, with no one knowing which they got. The g…

This study tested whether adding virtual reality (VR) to standard computer-based cognitive training could improve memory, attention, and thinking skills in older adults with mild cognitive impairment. 70 participants completed a 12-week program of cognitive exercises, with one gr…

This study looks at whether adding a physical activity education program to adapted exercise helps people with mild memory or thinking problems more than exercise alone. Thirty-four participants will be followed for six months to measure changes in activity level, thinking skills…

This completed study tested whether taking a daily whey protein drink rich in phospholipids for 6 to 12 weeks could improve memory, mood, and overall wellbeing in healthy adults aged 25 to 49. 119 participants were randomly assigned to receive either the active supplement or a pl…

This study looked at whether a weekly hour of adapted physical activity for 12 weeks could improve self-esteem and motivation in 17 older adults with mild to major cognitive disorders like Alzheimer's. Researchers measured changes in self-esteem, motivation, and apathy. The goal …

This study tested a virtual reality (VR) program designed to stimulate thinking skills in 45 people with mild cognitive impairment. Participants used VR headsets to do tasks like virtual shopping and recipe sequencing over 8 sessions. The goal was to see if the VR program was eas…

This study tested if immersive virtual reality (VR) can improve memory and thinking in people with Alzheimer's disease. 33 participants wore VR headsets to explore scenes from 1960s Burgos, Spain, designed to trigger personal memories. Researchers measured changes in cognitive te…

This study tested whether a herbal supplement called Redormin 500 (made from valerian and hop extracts) can help people with occasional sleep problems think more clearly during the day and feel better overall. Forty healthy adults with mild sleep issues took either the supplement…

This completed trial tested whether a combination of physical activity (the Otago program) and cognitive training (using the CogniFit app) could improve sleep and quality of life in people over 65. Sixty-six participants were split into groups: one did the physical program, anoth…

This study tested a new combination of two talk therapies for adults with eating disorders who are not underweight. Twenty participants were randomly assigned to either standard cognitive behavioral therapy (CBT-E) or a mix of CBT and metacognitive interpersonal therapy (CBT-F+MI…

This study tested whether combining balance exercises with mental tasks (like naming animals) can improve balance and mild memory problems in people with diabetic nerve damage. Fifty adults aged 50 and older with type 2 diabetes and mild cognitive issues took part in 24 sessions …

This pilot study tested whether adding virtual reality (VR) exercises to standard rehabilitation helps people who recently had a stroke recover their thinking skills and ability to do daily tasks. Thirty-six adults with acute stroke and mild cognitive impairment were assigned to …

This study tested a training program for people with mild to moderate Alzheimer's disease. The training used personal photos and videos to recreate familiar situations, aiming to improve orientation to time, place, and person. 126 participants were assigned to either the training…

This pilot study tested whether combining a gentle brain stimulation technique called HD-tDCS with computer-based cognitive training is feasible for people with mild cognitive impairment (MCI). Eight participants completed 15 sessions over three months. The main goal was to see i…

This study tested two types of mental exercises in 514 older adults with mild to moderate Alzheimer's disease. One group used a computer program with brain games, while the other used physical puzzles and memory cards. The goal was to see if these activities could improve thinkin…

This study tested whether taking royal jelly (a bee product) as a daily supplement for 4 weeks could improve memory and thinking in healthy adults aged 55-70. Researchers measured cognitive test scores and blood markers of inflammation. The goal was to see if royal jelly's anti-i…

This study tested whether eating prebiotic-fortified bakery products (like bread and pastries) for several weeks could improve memory, mood, and reduce inflammation in healthy adults aged 60-75 who had mild memory complaints. 55 participants were randomly assigned to eat either t…

This study looked at whether giving precise amounts of fluid during coronary artery bypass surgery can reduce the risk of postoperative cognitive dysfunction (POCD) — problems with memory, focus, and thinking that affect up to 70% of heart surgery patients. Researchers monitored …

This study looked at whether eating 2 ounces of walnuts every day for 12 weeks could improve memory and reduce brain fog in adults over 40 with Long-COVID. About 31 people took part, comparing walnut eaters to those getting usual care. The goal was to see if walnuts, which are ri…

This study tested a gentle electric current (tDCS) on the brain to see if it could help people with a past traumatic brain injury find words more easily. Fourteen adults with long-term word-finding problems took part. They received either real or fake stimulation while doing memo…

This pilot study tested a telehealth program called C-SMART for people with primary brain tumors who have mild memory or thinking problems. The program combines cognitive rehabilitation with mindfulness training over 8 weekly sessions. Researchers enrolled 32 patients and caregiv…

This small study tested whether a gentle electric current applied to the scalp (tDCS) could improve word-finding in 5 civilians who had a traumatic brain injury more than a year ago. Participants received both real and sham stimulation to see if the real treatment boosted verbal …

This study tested whether a low-level magnetic therapy device, used at home, is safe and practical for people with Long COVID who have memory and thinking problems. Thirty adults with persistent cognitive issues after COVID-19 used the device daily for 4 weeks, then were followed…

This study tested whether a procedure called a stellate ganglion block (SGB), given with standard medication, could improve thinking and memory in people with Alzheimer's disease. Forty participants were randomly assigned to receive either SGB plus standard drugs or standard drug…

This study tested whether Lutemax 2020 gummies, containing lutein and zeaxanthin, could improve vision and cognitive performance in children aged 5 to 12 who spend at least 4 hours daily on digital devices. Sixty children were randomly assigned to receive either the supplement or…

This study tested a safe, noninvasive treatment for memory and word-finding problems in Gulf War veterans. 93 veterans received either real or fake (sham) brain stimulation over 10 sessions. The goal was to see if the stimulation improved their ability to recall words and speak m…

This study tested whether combining two types of training—dual-task (doing two things at once) and perturbation-based (practicing balance recovery after a nudge)—could improve balance and thinking in stroke patients. 33 adults who had a stroke and had trouble with balance and mil…

This study tested if a non-invasive brain stimulation technique called repetitive transcranial magnetic stimulation (rTMS) could improve thinking and walking in people with Parkinson's disease. 41 participants received either real or fake rTMS sessions over two weeks. The results…

This study tested whether an 8-week mindfulness program could reduce anxiety in 168 older adults who have memory concerns but normal cognitive test scores. Participants were randomly assigned to either mindfulness training or a health education program. The goal was to see if min…

This study tested a combination of brain monitoring and specific drugs during heart surgery to see if it could reduce confusion, pain, and blood pressure problems afterward. 70 older adults (60+) having heart bypass or valve surgery took part. The approach used EEG monitoring and…

This study tested whether a daily supplement called ETAS®, made from asparagus, could improve memory, mood, and reduce inflammation in healthy adults aged 60-80 who had mild memory concerns. 45 participants took either a low or high dose of ETAS® or a placebo for 12 weeks. Resear…

This completed pilot study tested whether a gentle brain stimulation technique called tDCS, combined with computer-based cognitive training, can improve attention and working memory in 56 active-duty service members who had a mild traumatic brain injury at least 6 months earlier.…

This study tested whether a program that combines talk therapy, brain training, and healthy lifestyle advice is practical and helpful for people with conditions like mild traumatic brain injury, multiple sclerosis, long COVID, or mild cognitive impairment. Fifteen participants we…

This study tested whether practicing two tasks at once (like walking while talking) with different priorities can help people with Parkinson's disease. 30 participants completed various balance, walking, and thinking tests. The goal was to see if this training improves physical p…

This study tested whether Sabroxy™, a supplement made from the bark of the Oroxylum indicum tree, can improve memory and thinking in adults aged 60 to 85 with mild cognitive concerns. About 70 participants took either Sabroxy™ or a placebo twice daily for 12 weeks. Researchers me…

This study tested whether a slow-release caffeine pill (zümXR) could improve mood, alertness, and reduce side effects like jitters compared to regular caffeine after a night of poor sleep. Thirty-six healthy adults who usually drink moderate amounts of caffeine took part. They sl…

This small pilot study tested whether combining active video games (exergaming on Nintendo Switch) with resistance training could improve frailty in 30 nursing home residents. Participants played sports games like badminton, tennis, and soccer while also doing strength exercises.…

This study tested whether a dietary supplement called Virtiva Plus, which contains ginkgo biloba, can help reduce stress and improve thinking in people aged 50 to 70 who feel stressed. Sixty participants took either a low or high dose twice daily for five weeks. Researchers measu…

This study tested whether a home-based digital brain training program could help with depression, thinking skills, and quality of life in 36 people with cancer or end-stage kidney disease. Participants used a computer program called Rejuvenate for 30 minutes, four times a week, f…

This small study tested an experimental drug called SAGE-718 in 18 people with Parkinson's disease who also had mild thinking and memory problems. The main goal was to see if the drug was safe and tolerable. Researchers also looked at whether it might help with thinking, mood, an…

This study tested a drug called SAGE-718 in 86 people with Parkinson's disease who have mild memory or thinking problems. Participants took either the drug or a placebo pill for a set time. The main goal was to see if SAGE-718 could improve processing speed, measured by a symbol-…

This completed trial tested whether tyrosol (a compound found in olive oil) and creatine, alone or together, can improve endurance, strength, and fatigue resistance in healthy adults. Fifty active men and women aged 18–50 took supplements or a placebo for about 4 weeks. They comp…

This study looked at whether taking a daily multivitamin and omega-3 supplement (Kids Plus Multi & Omega) can improve thinking skills in children ages 4 to 17. Over 49 days, 120 kids took either the supplement or a placebo gummy and completed cognitive tests. The goal was to see …

This study tested whether lisdexamfetamine dimesylate (Vyvanse), a drug used for ADHD, can help with cognitive impairment and fatigue in adults with chronic fatigue syndrome. Twenty-six participants were randomly assigned to receive either Vyvanse or a placebo for six weeks. The …

This study tested whether a noninvasive technique called repetitive Transcranial Magnetic Stimulation (rTMS) can improve memory in people with mild cognitive impairment (MCI). 69 participants were randomly assigned to receive active rTMS to one of two brain areas or a placebo tre…

This study tested whether two light-based technologies, fNIRS and DCS, can safely measure brain activity in children with rare neurocognitive disorders like Niemann-Pick disease and Smith-Lemli-Opitz syndrome. 73 participants, including healthy volunteers, wore a cap with lights …

This trial tests whether xenon gas can help reveal how the brain loses and regains consciousness. Healthy volunteers aged 20 to 40 will breathe xenon at concentrations up to 60% for two hours. Researchers will measure the brain concentration of xenon at the moment consciousness i…

This study looks at whether children born with heart defects who need surgery might also have delays in speech and thinking. Researchers will check the children's cognitive and language skills before their operation and again one and two years after. The goal is to see if speech …

This study compared how 98 university students felt during a 20-minute workout guided by either an AI fitness companion or a human coach. Researchers measured emotional connection, interaction quality, and sense of body awareness. The human coach scored higher on emotional resona…

This study tests whether personalized digital coaching helps people stick to brain-healthy habits like exercise, diet, and sleep. 120 adults at risk for cognitive decline will be assigned to generic education, a digital platform, or the platform plus health coaching. The goal is …

This study tests whether spending less time in bed for four weeks can deepen sleep and boost memory in adults aged 65-85 who have poor sleep and are at risk for Alzheimer's. Researchers will measure brain activity, memory, and blood markers. The goal is to see if a simple behavio…

This study looked at whether doing short, frequent exercise sessions (called 'exercise snacks') is better for your mental health than doing longer, less frequent workouts. 180 healthy young adults were split into two groups: one did six 15-minute cycling sessions per week, the ot…

This completed pilot study scanned the brains of 30 people who were hospitalized with COVID-19 and later reported memory, concentration, or organizational problems—often called 'brain fog.' Researchers used MRI and spectroscopy to look for changes in brain structure and chemistry…

This study looked at whether a 15-minute meditation practice called Shoonya meditation can help people stay sharp after a night without sleep. Researchers compared regular meditators to people who nap regularly, measuring brain activity, heart rate, and cognitive performance. The…

This study tested whether a gentle electrical current applied to the scalp (transcranial electrical stimulation) could help healthy adults perform a complex computer task faster and more accurately. Forty-four volunteers with advanced degrees completed a track-and-capture task wh…

This study tested whether a 20-minute session of gentle brain stimulation (tDCS) before an afternoon nap could improve sleep patterns linked to memory and thinking in healthy adults aged 60 and older. Twelve participants completed computer tasks, received either real or fake tDCS…

This study tested whether a short bout of running at different intensities could improve attention and emotional well-being in 120 university students aged 18-24. Participants completed 16-minute sessions of sitting quietly or running at light, moderate, or vigorous levels. Resea…

This study looked at whether breathing extra oxygen (hyperbaric oxygen) helps healthy adults do multiple things at once, like paying attention while moving. Twenty-four healthy volunteers with at least 12 years of education took cognitive and motor tests in normal and high-oxygen…

This early-stage study tested whether a working memory training program is practical and acceptable for people aging with HIV. Researchers enrolled 100 participants aged 50-85, including those with and without HIV, to see if the training could improve memory and thinking skills. …

This study tested whether wearing stroboscopic glasses during practice could improve cognitive skills in 34 adolescent male volleyball players. For eight weeks, the players wore the glasses for 10 minutes a day, two days a week, while training. Researchers measured changes in vis…

This study placed 15 healthy volunteers in a natural cave with no access to time cues for 40 days. Researchers measured how their sense of time, sleep cycles, stress levels, and group coordination changed. The goal was to understand how humans adapt to extreme isolation and time …

This completed study from the University of Hong Kong looked at 110 cannabis users aged 16-60 to see how their thinking skills change over time and if genes play a role. Participants took memory and thinking tests and gave blood for genetic analysis. The goal is to understand lon…

This study looked at whether using EEG brain-wave monitoring during general anesthesia helps doctors give the right amount of medicine. The goal was to help patients wake up faster after surgery and reduce memory or thinking problems. About 100 adults having surgery took part. Re…

This study tested whether a daily multivitamin called Vitals+ improves health, mood, and thinking skills in healthy adults. Thirty-seven volunteers took either the multivitamin or a placebo for 3 months. Researchers measured blood vitamin levels, cognitive function, and gut healt…

This study tested whether a daily NAD+ supplement can improve thinking and reduce inflammation in healthy women aged 40 to 80. Participants took either NAD+ or a placebo for 4 weeks and completed computer tests and blood draws. The goal was to see if NAD+ affects memory, attentio…

This study tested a telepresence robot called COVEALINK 2 that allows patients hospitalized for at least 2 months to remotely control a robot in their own home. Using a smartphone app, patients could move the robot around and talk with family and friends. The goal was to see how …

This study looked at whether a single dose of a ketone supplement can improve blood flow to the brain and thinking skills in young adults. Twenty healthy people aged 18-35 took either a low dose, high dose, or a placebo drink. Researchers measured brain blood flow and memory perf…

This study looked at 164 adults aged 65 and older who had a colonoscopy with sedation. Researchers compared two common sedatives—propofol and dexmedetomidine—to see how they affected thinking and memory. They also checked whether frailty played a role. Participants took a simple …

This study looked at whether a 30-minute walk outside in a green area helps people recover from mental tiredness and stress better than walking on a treadmill indoors. 80 healthy young adults were split into two groups: one walked outdoors in nature, the other walked indoors in a…

This study of 102 heart surgery patients examined whether drops in brain oxygen levels during surgery are linked to memory or thinking problems after the operation. Researchers used a special monitor to track brain oxygen and tested patients' thinking skills before and after surg…

This study looked at whether continuously measuring oxygen levels in the brain during heart bypass surgery can reduce memory and thinking problems after the operation. 326 older adults (age 60+) having planned heart surgery took part. Researchers compared standard care to care gu…

This study gathered test results from 1,300 healthy adults aged 50 and older to create a reference database for a quick, tablet-based brain function test called BrainCheck. The goal was to establish normal score ranges and check if the test gives consistent results over time. No …

This study looks at how cardiac arrest affects thinking, memory, emotions, and sleep over time. About 200 survivors will take detailed brain tests 7 and 24 months after their cardiac arrest. Their results will be compared to heart attack patients who did not have a cardiac arrest…

This study looked at 51 adults who had COVID-19 2 to 12 months earlier and still had brain fog or other thinking problems. Researchers checked if the virus was still hiding in the nose's smell center. They compared these patients to a control group to see if lingering virus is li…

This study looked at how air pollution and different types of exercise affect thinking skills in 93 healthy adults aged 20-30. Participants did either high-intensity interval training, moderate aerobic exercise, or stretching, with some using air purifiers. Researchers measured c…

This study follows 202 people who were first checked for sleep apnea as children in 2003. Researchers want to see how their sleep apnea changed over 18 years and whether it is linked to heart problems or thinking difficulties. Participants will repeat sleep tests, blood pressure …

This completed study tested whether a daily fermented soy powder (Q CAN PLUS) could improve thinking skills, immune function, and response to the flu shot in healthy adults aged 65 and older. 62 participants took either the soy supplement or a placebo for 16 weeks. Researchers me…

This completed trial enrolled 240 healthy newborns to see if a formula containing HMO, DHA, and ARA improves cognitive scores at 12 months compared to a standard formula or breastfeeding. Babies were fed the assigned formula or breast milk for up to a year, and their thinking ski…

This pilot study looked at whether eating plant-based fibers daily can improve memory, attention, and mood in healthy adults aged 60 to 75. Researchers measured thinking skills, gut bacteria, and mental health over time. The goal was to understand how diet might support brain hea…

This study looked at 134 adults with chronic sinusitis to see if sleep problems and daytime tiredness predict declines in thinking skills and daily functioning. Participants filled out questionnaires about their symptoms and quality of life. The goal was to better understand how …

This study looks at how one session of moderate-to-hard walking or jogging changes the brain's response to insulin in adults aged 40 to 80 who are overweight or obese. Researchers will use MRI scans to measure brain insulin sensitivity and also test memory, thinking, and heart he…

This study measured inflammation markers and brain activity in 20 older adults during elective surgery. Researchers wanted to see if these factors could be early signs of Alzheimer's disease. The study is complete and aimed at understanding, not treating, the disease.

This study looked at 48 older adults having heart bypass surgery to see if a small molecule called microRNA-151-5p is linked to memory and thinking problems after the operation. Researchers measured levels of this molecule and inflammation in the blood before and after surgery, a…

This completed study followed 6,000 adults who had COVID-19 symptoms and were tested for the virus. Participants completed online surveys every 3 months for 18 months to track long-term health issues like fatigue, brain fog, and heart problems. The goal was to better understand t…

This study looked at how sleep apnea might make brain problems worse after surgery. Researchers enrolled 32 adults with moderate-to-severe sleep apnea who were scheduled for surgery. They used brain scans and memory tests before surgery, two days after, and six months later to tr…

This study tested whether a short, non-invasive brain stimulation technique called TMS could improve thinking skills like attention and memory, and help people bounce back from stress. Thirty-eight healthy adults received brief TMS sessions targeting a key brain area. The goal wa…

This early-phase study with 5 adults looked at how two cannabis compounds (delta-9-THC and delta-8-THC) affect driving ability. Participants took the compounds and then used a driving simulator and field sobriety tests. The goal was to see if it's possible to measure impairment a…

This study looked at whether shining a special light on the head (called transcranial photobiomodulation) can improve blood flow in the brain and boost thinking skills. 24 healthy adults aged 18 to 80 took part. The goal was to gather information, not to treat or cure any disease…

This study looked at whether eating beef every day for 30 days could improve thinking and visual skills in healthy young women. 80 women aged 18-40 took part, with one group eating beef and the other eating a plant-based protein. Researchers measured their performance on a 3D tra…

This study tested whether taking aronia berry extract for a period can improve blood flow and insulin sensitivity in the brain, which are linked to better thinking skills. Thirty adults aged 55-75 with higher body weight but no diabetes took the supplement or a placebo in a cross…

This completed study looked at how often thinking, memory, and behavior problems happen after a stroke. Researchers tested over 1600 people, including stroke patients and healthy volunteers, using a French version of a standard cognitive battery. The goal was to better understand…

This completed online study looked at whether natural environments like parks, gardens, and lakesides can improve mood and cognition in people with and without Parkinson's disease. 97 participants filled out surveys about their connection to nature, depressive symptoms, sleep, an…

This study tested whether a single session of high-intensity interval training (three 20-second all-out efforts on an arm bike) could improve heart and brain function in 30 people with spinal cord injury compared to uninjured controls. The goal was to see if this type of exercise…