background and purpose: the increased risk for cognitive defects in individuals affected by metabolic syndrome especially in those patients with cardiovascular disorders is now claimed. we aimed to assess the relationship between cognitive performance and the various components of metabolic syndrome. methods: one hundred and eighteen consecutive individuals aged 30 to 86 years were included int...

objective: the aim of present research is to investigate the effects of neurofeedback on cognitive function with emphasis on memory. method: this study is an experimental study. for this reason using a stratified sampling procedure sample of 30 subjects in 2 groups of experimental and placebo was selected. investigated subjects were assessed with the wechsler memory scale in two stages (pretest...

objective: suicide rate is unfortunately increasing in recent years and its assessment is a must. most studies have evaluated different factors like personality, depression, or environment in suicide attempters but cognitive functions have been overlooked in suicide attempters. the current research aimed to evaluate a kind of cognitive function, namely attention in survivors of suicide.  method...

melatonin has both pro-inflammatory and anti-inflammatory properties depending on the stage of inflammation. despite its therapeutic effect in alleviation of some symptoms of multiple sclerosis; the precise role of melatonin in ms pathogenesis remains a topic of debate. the aim of this study was to measure the urine level of one of melatonin products which is an index of serum melatonin level, ...

objective: memory and concentration may be affected by hemodialysis in end-stage renal disease. in this study, changes in cognitive function parameters such as attention, impulsiveness, and reaction time were measured and evaluated in the iranian hemodialysing patients. methods: in this analytic observational study, cognitive function of 38 hemodialysis patients was measured before and after he...

cognitive impairment may be a common even at the onset of multiple sclerosis (ms). in this case-control study, we tried to find out the probable relationship between homocysteine levels and cerebral atrophy or cognitive impairment in patients with multiple sclerosis. one hundred fifty six patients who had ms according to mcdonald diagnostic criteria were included in this study. patients’ age, g...

purpose the aim of this study was to determine the effect of one night's sleep deprivation on anaerobic performance and reaction time of subjects in the morning of the following day. methods eighteen male college student athletes were studied twice in a balanced, randomized design. subjects were measured for peak power, mean power and reaction time. results the performance showed no significant...

introduction zinc is a vital micronutrient in humans and its deficiency in children can thwart their growth and development, compromise their immunity and cognitive function. however, there is a paucity of studies about the effect of zinc supplementation on cognitive functions. this study is an attempt to quantify the impact of zinc supplementation on cognitive performance of schoolchildren. ma...

background several lines of evidence suggest that early sensory stimulation and regular family visiting programs are potential nursing interventions to improve the outcomes of head injured comatose patients. however, little is known about the impacts of family involvement in providing sensory stimulation. objectives to determine the effects of a sensory stimulation program conducted by nurses a...

background: mellitus diabetes (dm) is the most important metabolic diseases. the incidence of dm is prone to increase. vasculopathy, retinopathy, central and peripheral neuropathy are the most important reported side effects of dm. cognitive dysfunction following dm reported in both sexes. hippocampus is a major part of brain involving in cognitive function, its cells are able to neurogenesis, ...