
A Physical Activity Program to Disrupt Sedentary Time in Older Latinos
Sedentary BehaviorCognitive ImpairmentTo test the feasibility of an intervention designed to replace sedentary time with physical activity in older Latinos, delivered in their homes to improve cognitive function and brain connectivity.

A Study of Health Care Use and Costs in Participants With Early Stage Alzheimer's Disease (AD)
Alzheimer DiseaseMild Cognitive ImpairmentThe purpose of this study is to learn about health care use, costs, and clinical outcomes over time for amyloid positive participants with early stages of AD in the United States. This study is for research purposes only, and is not intended to treat any medical condition. No study therapy(ies) for AD will be administered.

Attention Training for Learning Enhancement and Resilience Trial
Age-related Cognitive DeclineHealthy aging is associated with a decline in multiple cognitive domains, as well as motor control function. The long-term consequences of cognitive and functional impairment resulting from age-related cognitive decline are well documented in the scientific and clinical literature, with significant evidence of related problems with independent functional abilities. This study aims to understand how the experimental computer program can affect cognition and attention in participants with age-related cognitive decline.

Near Infrared Spectroscopy for Detection of Cerebral Desaturation After Positioning for Neurosurgical...
Cognitive DysfunctionPatient PositioningThe occurrence of postoperative cognitive dysfunction (POCD) might be related to intraoperative cerebral desaturation. Positioning for neurosurgical procedures are associated with head rotation, elevation, flexion or extention that may affect blood brain inflow and outflow. Anatomical variations of Willis circle could affect the cerebral blood flow in extreme head position with the development of cerebral ischemia or functional changes of brain. Investigators suppose that detection of cerebral tissue desaturation and its prompt correction could modify the occurence of POCD after these procedures.

Aging and Cognitive Health Evaluation in Elders (ACHIEVE)
AgingCognitive DeclineThe ACHIEVE study will be a randomized controlled trial nested within the infrastructure of the Atherosclerosis Risk in Communities (ARIC) study. We plan to enroll 850 70-84 year-old cognitively normal older adults with hearing loss, who will be randomized 1:1 to the hearing intervention (hearing needs assessment, fitting of hearing devices, education/counseling) or successful aging health education intervention (individual sessions with a health educator covering healthy aging topics). Post-baseline, participants will be followed semi-annually for 3 years.

Physical Activity and Neuropsychological Outcomes in a Cancer Population
Cognitive DysfunctionBreast Cancer SurvivorsMany cancer survivors experience treatment-related impairments in mental abilities such as memory, attention, and concentration (known as cognition). Research indicates that physical activity can improve cognition in healthy adults; however, little is known about whether physical activity can improve cognition among cancer survivors. This study will test whether a physical activity intervention results in improvements in cognition among breast cancer survivors, which may lead to interventions to improve cognition.

Study of tDCS for Mild Cognitive Impairment
Mild Cognitive ImpairmentThe primary objective of this study is to investigate whether the transcranial direct current stimulation (tDCS) improves the cognitive function in patients with Mild Cognitive Impairment (MCI)

Optimization of Desflurane in Elderly Patients
Postoperative Cognitive DysfunctionVarious issues had been pointed out when undergoing the anesthesia for elderly patients with sevoflurane, such as delayed emergence, post-operative trouble with swallowing. Desflurane, which has a lower blood/gas partition coefficient, is expected to contribute the better emergence, along with the recent progress on optimization of delivered amount of anesthesia. The purpose of this study is to compare the time to emergence in long elderly patient cases with desflurane or sevoflurane, with the recently developed drug-delivery optimization system "Aisys®" (GE Healthcare Japan).

A Trial of Neurocognitive and Supportive Therapy Interventions for Individuals With Parkinson's...
Parkinson's DiseaseMild Cognitive ImpairmentThis randomized, controlled trial (RCT) evaluates the benefits of memory and problem solving training compared to supportive therapy in individuals with Parkinson's Disease with Mild Cognitive Impairment (MCI) and their support persons. Participants will be randomly assigned to receive memory and problem solving training or supportive therapy for 2-months. A 6-month follow up evaluation will establish if benefits remain over time. Impact of these therapies on thinking abilities, physical health, and patient and support person ratings of thinking skills, mood and quality of life will be evaluated. The memory and problem solving training is hypothesized to result in greater improvements and/or stability of function on neuropsychological tests of attention, working memory, learning, and memory skills compared to the supportive therapy condition. Both conditions are hypothesized to result in improved mood and quality of life ratings. Results from this study will determine whether memory and problem solving therapies and supportive therapy are easily used by and beneficial for individuals with Parkinson's Disease and Mild Cognitive Impairment. If positive benefit is observed, information from this study will be used to further optimize these therapies for larger trials designed to evaluate the value of the therapies for individuals with Parkinson's Disease and their support persons.

Efficacy, Safety, and Tolerability of TC-5619 as Augmentation Therapy to Improve Negative Symptoms...
SchizophreniaNegative Symptoms1 moreNegative symptoms and cognitive dysfunction in schizophrenia (CDS) are core features of schizophrenia. These negative symptoms and cognitive deficits have a devastating impact on the function, employment, and social interactions of patients with schizophrenia. Medications used to treat schizophrenia (e.g. atypical antipsychotics) do not improve negative symptoms or CDS. TC-5619 is being developed for use as an add-on therapy in combination with atypical antipsychotics to treat patients with negative symptoms and CDS.