View clinical trials related to Cognitive Dysfunction.
Filter by:Dementia is a syndrome characterized by progressive global cognitive impairment that impairs occupational, family, or social functioning. It detrimentally affects personal health and quality of life, imposing significant medical economy, social and psychological burden on the countries and the patients' family. The internationally renowned dementia cohort includes the DIAN that focused on genetics studies, the ADNI cohort featuring imaging and the FINGERS cohort focused on risk factor intervention, etc. Establishing standardized and shared longitudinal follow-up dementia cohorts and clinical database is an essential challenge for constructing dementia cohort in China. Moreover, there is a lack of large-scale prospective longitudinal follow-up cohorts within the Chinese population that cover subjective cognitive decline (SCD) to explore biomarkers with diagnostic and early warning value for different kinds of dementia and pre-dementia stages. The study will rely on the dementia cohort based on Chinese population to explore the biological phenotype characteristics of the pre-dementia stage and different dementia subtypes, and observe the dynamic change rules of the dementia cohort vertically, so as to foster early intervention and improve prognosis for individuals with dementia.
The proposed study will evaluate a new approach to cognitive rehabilitation of mTBI using a brain stimulation technique called "Remotely Supervised Transcranial Direct Current Stimulation combined with Cognitive Training" (RS-tDCS+) which has shown promise for improving complex attention in both healthy and clinical populations. RS-tDCS+ is a home-based, low-risk, non-invasive technique that is designed to boost cognitive training by enhancing learning and the brain's ability to reorganize connections. This study will evaluate RS-tDCS+ for improving complex attention in Active Duty Service Members (ADSM) and Veterans with a history of mTBI. Different tests of complex attention and symptom questionnaires will be used to determine the effects of real versus sham (placebo) RS-tDCS+. Second, the investigators will investigate electrical and connectivity changes in the brain associated with RS-tDCS+ using electroencephalogram (EEG) and magnetic resonance imaging (MRI). Third, the investigators will investigate the lasting effects of any observed changes by evaluating participants at 1 and 6 weeks post-treatment. Lastly, the investigators will explore the impact of individual differences (e.g., PTSD, depression, sleep quality, time since injury, baseline impairment, age, sex, ADSM versus Veteran) on treatment outcome.
Up to 25% of intensive care unit (ICU) survivors experience cognitive impairment comparable in severity to mild Alzheimer's disease and related dementias after hospital discharge. Older ICU survivors (ages 60 and older) are at highest risk for delirium and subsequent cognitive impairment, which contribute to higher risk for cognitive decline related to Alzheimer's disease and related dementias. Sleep and activity are essential for recovery from critical illness, yet ICU survivors experience both sleep deficiency and profound inactivity. About 75-80% of ICU patients experience circadian dysrhythmia, which contributes to cognitive decline and increases likelihood of developing Alzheimer's disease and related dementias. The scientific premises of the proposed study are: 1) a combined sleep promotion and cognitive training intervention will have synergistic effects to mitigate the risk of cognitive impairment and development of Alzheimer's disease and related dementias in older ICU survivors; and 2) chronotherapeutic timing of interventions (i.e., adjusting timing of interventions according to circadian rhythm) may improve intervention efficacy.
The goal of this observational study is to develop online, self-paced mindfulness (iMBSR) and lifestyle education (iLifeEd) programs for adults with cognitive concerns. Participants will engage in focus groups to discuss healthy living, web-based behavioral interventions, intervention content/format and ideal outcomes after engaging in behavioral interventions that promote healthy living. Additionally, participants will provide feedback on the protocol and online platform for either iMBSR or iLifeEd. This feedback will be used to refine the iMBSR and iLifeEd protocols for future use in the randomized controlled trial portion of the parent project.
Some types of meditation lead heart rate to become more steady as breathing quiets whereas others lead to large heart rate swings up and down (oscillations) as breathing becomes deeper and slower. The current study is designed to investigate how daily practice of heart rate biofeedback during breathing in a pattern that either increases or decreases heart rate oscillation affect attention and memory and blood biomarkers associated with Alzheimer's disease.
With the aging of the population, an increase in neurocognitive diseases such as dementia is projected. Mild cognitive impairment is considered a precursor stage to dementia, with opportunities for intervention to prevent its progression. Additionally, these illnesses can harm the primary caregiver, who is often an unskilled family member. This is a randomized clinical trial in patients with mild cognitive impairment and their main caregivers. The intervention will be tested in the dyad for 12 weeks, twice a week with professional support and once a week with caregiver support, the latter will be intervened once a week for 12 weeks. The primary outcome will be the change in cognitive function and its domains. Secondary outcomes will evaluate favorable changes in quality of life in the patient-caregiver couple, frailty, physical capacity, independence, nutritional status, social support, and family caregiver burden. These measurements will be taken at baseline, 3, 6, and 9 months of follow-up. Furthermore, in a subsample of the study population, the taxonomic and metabolomic composition of the intestinal microbiota and the presence of the E4 allele of the APOE (apolipoprotein E) gene will be evaluated before and after the intervention.
Hip fractures are more common in older people due to osteoporosis. It is estimated that around six million patients worldwide will suffer hip fractures annually by 2050 as the population ages [1]. Clinically, hip surgery is a common and effective treatment for hip fractures. There will be an increasing number of older people undergoing hip surgery, including osteosynthesis and arthroplasty. However, severe surgical trauma, postoperative pain, and postoperative cognitive dysfunction (POCD) can be a considerable challenge for older people undergoing hip surgery [2, 3].The successful use of QLB with all approaches has been reported in case reports for the following surgical procedures: proctosigmoidectomy, hip surgery, above-knee amputation, abdominal hernia repair, breast reconstruction, colostomy, closure, radical nephrectomy, lower extremity vascular surgery, total hip arthroplasty, laparotomy, and colectomy. Ultrasound-guided quadratus lumborum block (QLB) is a recently described fascial plane block in which the anesthetic is injected adjacently to the quadratus lumborum (QL) muscle with the goal of anesthetizing the nerves in the thoracolumbar region [17,18]. As a trunk nerve block, quadratus lumborum block (QLB) has been widely used for postoperative analgesia in patients undergoing abdominal and lower limb surgeries [19]. QLB can provide adequate analgesia and reduce opioid requirements after hip surgery [20]FICB or fascia iliaca block (FIB), first proposed in 1989, is a means ofblocking the three principal lumbar plexus nerves of the thigh with a single injection of local anesthetic delivered immediately dorsal to the fascia iliaca [21,22]. Indications of FICB are surgical anesthesia to the lower extremity, management of cancer pain and pain owing to inflammatory conditions of the lumbar plexus, and amelioration of acute pain following trauma, fracture, and burn [23]. Fascia Iliaca Block (FIB), which is widely used for postoperative analgesia in hip surgery, is a nerve block technique with proven efficacy[24].
The goal of this randomized controlled trial is to learn if Transcranial Pulse Stimulation (TPS) can improve cognitive functions in older adults with mild cognitive impairment (MCI). The study will also assess the safety of TPS. The main questions it aims to answer is: Does TPS improve cognitive functions such as global cognition, attention, memory, and executive function? Researchers will compare TPS to a sham control to evaluate the efficacy and safety of TPS in improving cognitive functions in older adults with MCI. Participants will: Be randomly assigned to receive either TPS or a sham intervention Undergo 6 sessions of TPS or sham intervention over a 2-week period Visit the clinic for cognitive assessments at 4 different time points (baseline, immediately post-intervention, 1-month follow-up, and 3-month follow-up) Complete questionnaires and undergo standardized neurocognitive tests, and/or MRI scans, and/or EEG assessments The study aims to provide insights into the potential therapeutic role of TPS in enhancing cognitive functions among older adults with mild cognitive impairment.
A 12-weeks Intensive Aerobic and Resistance Exercise Program (IAREP) intervention will be implemented on high-risk and low-risk of cognitive impairment subjects in type 2 Diabetes Mellitus. The study aim to evaluate the effectiveness of IAREP on cognition, metabolic health, physical health, and psychological health in Type 2 Diabetes Mellitus population.
The goal of this study is to assess the feasibility and effect of digital cognitive training based on the principles of Differential Outcome Training (DOT) in patients with Mild Cognitive Impairment. In DOT training, each stimulus-response pair to be learnt is followed by a unique reinforcer, as opposed to non-DOT (NDOT) training, where the stimulus-response pairs are all followed by a random reinforcer. DOT training is believed to boost learning more than NDOT training through associations. The main questions the study aims to answer are: - Whether at-home, tablet-based digital cognitive training is feasible in elderly patients with Mild Cognitive Impairment - Whether regularly digital cognitive DOT training has a positive effect on patients' cognitive functioning and quality of life - Whether any potential effects that the cognitive DOT training may have on the patients' cognitive functioning are transferable to the patients' daily life. Participation in the study includes: - A pre-training session at the site with the primary project coordinator, where the patient will complete a number of self-report questionnaires about their health, cognition, and quality of life as well as a neuropsychological assessment. - Training with the digital cognitive DOT training program at home for 20 min. per day 3-4 times a week for 6-8 weeks. - A post-training session at the site with the primary project coordinator after the 6-8 weeks have passed, where the patient will complete a usability questionnaire about the training programme, some of the same self-report questionnaires about their health, cognition, and quality of life as well as some of the neuropsychological assessments. - A 1-month follow-up session where the patients will complete some of the same self-report questionnaires again about their cognition and quality of life plus a questionnaire aimed the transferability of any positive cognitive effects of the training.