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This database contains 222 studies, archived under the term: "cognition disorders"

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Vitamins B(12), B(6), and folic acid for cognition in older men

Objective: To investigate whether supplementing older men with vitamins B(12), B(6), and folic acid improves cognitive function.; Methods: The investigators recruited 299 community-representative hypertensive men 75 years and older to a randomized, double-blind controlled clinical trial of folic acid, vitamin B(6), and B(12) supplementation vs placebo over 2 years. The primary outcome of interest was […]

Safety and tolerability of donepezil in mild cognitive impairment: open-label extension study

Following a 48-week, double-blind, randomized, placebo-controlled trial of donepezil in 821 patients with amnestic mild cognitive impairment (aMCI), safety and tolerability of donepezil (10 mg) were further evaluated in a 28-week extension study. Of 499 participants who completed the double-blind phase, 145 enrolled in the open-label study. Adverse events (AEs) were recorded throughout. Overall, 57.4% […]

Efficacy of akatinol memantine in moderate cognitive impairments

A six-month open clinical trial of the efficacy of Akatinol was conducted in 40 patients with moderate cognitive impairments (MCI) using piracetam (20 patients) as reference agent; mean age was 67.7 +/- 7.2 years. Patient status was evaluated using a number of scales, questionnaires, and neuropsychological tests prior to treatment and at three and six […]

The psychosocial impacts of multimedia biographies on persons with cognitive impairments

Purpose: The purpose of this feasibility pilot project was to observe Alzheimer’s disease (AD) and mild cognitive impairment (MCI) patients’ responses to personalized multimedia biographies (MBs). We developed a procedure for using digital video technology to construct DVD-based MBs of persons with AD or MCI, documented their responses to observing their MBs, and evaluated the […]

The effects of participation in leisure activities on neuropsychiatric symptoms of persons with cognitive impairment: a cross-sectional study

BACKGROUND: People with cognitive impairment have been shown to engage in few structured activities. During periods of unoccupied time or boredom, these patients most likely manifest neuropsychiatric symptoms. OBJECTIVE: The purposes of this study were to (1) describe the leisure-activity indicators (variety in leisure activities, appraisal of each activity’s restorative function, and leisure dysfunction, i.e. […]

Can leisure activities slow dementia progression in nursing home residents? A cluster-randomized controlled trial

BACKGROUND: To examine the effects of complex cognitive (mahjong) and physical (Tai Chi) activities on dementia severity in nursing home residents with dementia. METHODS: Cluster-randomized open-label controlled design. 110 residents were randomized by nursing home into three conditions: mahjong, Tai Chi, and simple handicrafts (control). Activities were conducted three times a week for 12 weeks. […]

Donepezil treatment of older adults with cognitive impairment and depression (DOTCODE study): clinical rationale and design

Treatment strategies for patients with depression and cognitive impairment (DEP-CI), who are at high risk to develop a clinical diagnosis of dementia, are not established. This issue is addressed in the donepezil treatment of cognitive impairment and depression (DOTCODE) pilot clinical trial. The DOTCODE study is the first long-term treatment trial that assesses differences in […]

Increased masticatory activity and quality of life in elderly persons with dementia–a longitudinal matched cluster randomized single-blind multicenter intervention study

Background: Worldwide, millions of people are suffering from dementia and this number is rising. An index of quality of life (QoL) can describe the impact a disease or treatment has on a person’s wellbeing. QoL comprises many variables, including physical health and function, and mental health and function. QoL is related to masticatory ability and […]

Early detection of patients in the pre demented stage of Alzheimer’s disease: the Pre-Al Study

Objectives: The aim of the Pre-Al study is to evaluate and compare the predictive value of different tools for an early identification of Alzheimer’s disease.; Design and Participants: Patients coming for consultation to memory clinics without dementia were included if they had an objective memory or attention trouble assessed by a MMSE score > 25 […]

Improvement in memory with plasticity-based adaptive cognitive training: results of the 3-month follow-up

Objectives: To investigate maintenance of training effects of a novel brain plasticity-based computerized cognitive training program in older adults after a 3-month no-contact period.; Design: Multisite, randomized, controlled, double-blind trial with two treatment groups.; Setting: Communities in northern and southern California and Minnesota.; Participants: Four hundred eighty-seven community-dwelling adults aged 65 and older without diagnosis […]

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