نتایج جستجو برای: pasat
تعداد نتایج: 205 فیلتر نتایج به سال:
UNLABELLED OBJECTIVES Our objective was to assess the dynamic serum growth hormone (GH) response to clonidine administration in multiple sclerosis patients, looking for a possible biomarker of degenerative process and to correlative with disability. METHODS 21 patients with relapsing remitting multiple sclerosis, who were evaluated clinically by expanded disability status scale (EDSS) scor...
Background and purpose: Multiple sclerosis (MS) is one the main diseases of the central nervous system. While the significance of cognitive decline in MS patients is well recognized, mild to moderate forms of cognitive dysfunction has received little attention. This study aimed at comparing memory and emotion in patients with multiple sclerosis and healthy individuals. Materials and methods: I...
Background and aims: combined exposure to several threatening physical factors may impact on the performance negatively. With regard to the importance of the worker’s health and their optimum performance in addition to shortage of studies having dealt with the impacts of combined exposure on performance, this work was done with the purpose of studying the impacts of combined exposure to harmful...
Introduction: Computer games have attracted remarkable attentions in general publics with different cultures and their effects are subject of research by cognitive neuroscientists. In the present study, possible effects of the game Fifa 2015 on cognitive performance, hormonal levels, and electroencephalographic (EEG) signals were evaluated in young male volunteers. Methods: Thirty two subj...
The present study examined the relation between self-report mindfulness and performance on tasks measuring abilities for three aspects of attention: sustained, selective, and attention switching. Because attention regulation has been described as a core component of mindfulness, and past research suggests that experience with mindfulness meditation is associated with improved attentional skills...
OBJECTIVE Determine reliability and basic psychometric properties of a composite cognitive endpoint, MS-COG, for monitoring change in cognitive function in MS drug trials. BACKGROUND 50% of MS patients have cognitive impairment that impacts ability to work and quality of life. We selected neuropsychological tests based on sensitivity to MS cognitive impairment, availability of alternate forms...
The thalamus plays a crucial role in sensorimotor, cognitive, and attentional circuit functions. Disruptions in thalamic connectivity are believed to underlie the symptoms of multiple sclerosis (MS). Therefore, assessing thalamocortical structural connectivity (SC) and functional connectivity (FC) may provide new insights into the mechanism of intrinsic functional plasticity in a large-scale ne...
We have previously demonstrated that assessment of antisaccades (AS) provides not only measures of motor function in multiple sclerosis (MS), but measures of cognitive control processes in particular, attention and working memory. This study sought to demonstrate the potential for AS measures to sensitively reflect change in functional status in MS. Twenty-four patients with relapsing-remitting...
BACKGROUND Cognitive training has been shown to improve cognitive function and quality of life in multiple sclerosis (MS) patients and is correlated with increased activity in the left dorsolateral prefrontal cortex (DLPFC). OBJECTIVE This study aims to test whether combining attention training with anodal transcranial direct current stimulation (a-tDCS) over the left DLPFC can improve traini...
Objective: To investigate the relationship between depression, fatigue, disability and cognitive skills of patients with multiple sclerosis in a cohort of patients with multiple sclerosis in a single center in Tehran, Iran. Methods: One hundred and forty-seven patients with multiple sclerosis with mean age of 33 years, mean disease duration of 20.20 months, mean EDSS of 2.13, and F to M ratio o...
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