objective: walnut (juglans regia) is a domestic fruit of iran. walnut kernel (wk) has many beneficial constituents such as unsaturated fatty acids, antioxidants, and vitamin e. scientific studies have shown that fatty acids and vitamin e can modulate learning and memory processes. the aim of the present work was to study effects of walnut consumption by mothers during pregnancy and lactation on...

getting old is not a sickness. it is actually a social-personal experience and one of the sensitive and vital stages of human development that is regarded as a normal trend of passing of life. anxiety is among the major problems of senescent period. research shows that the memory of group treatment among the elderly is not only useful but also considered as a type of treatment. this method help...

abstract   introduction: diabetes mellitus accompanies with disturbances in learning, memory, and cognitive skills in the human society and experimental animals. considering the beneficial antidiabetic potential of nigella sativum (ns ), this research study was conducted to evaluate the effect of chronic consumption of ns on learning and memory in diabetic rats using passive avoidance and y-maz...

There are several conflicting evidences showing the effect of morphine on learning and memory processes. In the present study the effect of chronic morphine administration on passive avoidance, active avoidance and spatial learning and memory of morphine dependent male rats using Passive Avoidance shuttle box and Morris Water Maze tasks were investigated, respectively. Male rats received morphi...

background: different stressors induce learning and memory impairment and physical activity influence learning and memory enhancement. in this research, we investigated the effect of synchronized running activity with stress on acquisition and retention time of passive avoidance test. methods: male wistar rats were randomly divided into five groups as follows: control (co), sham (sh), exercise ...

there are evidences in both animal and human studies which show that exercise has beneficial effects on the central nervous system and cognition. so, the aim of this study was to investigate the effect of resistance exercise on memory and probable mechanisms of this effect (i.e. neurotrophic factors) in sedentary students. 30 sedentary students (mean age, 23.8±1.6 yr) were randomly divided into...

alzheimer’s disease (ad) is a progressive neurodegenerative disorder that affects regions of the brain that control cognition, memory, language, speech and awareness to one’s physical surroundings. the pathological initiation and progression of ad is highly complex and its prevalence is on the rise. in his study, alzheimer's disease was induced with single injection of amyloid-β (aβ) pepti...

the purpose of the present study is developing “working memory training software”, and investigating the efficacy of this computerized cognitive training on students working memory. this study is in r&d; research category, and it is performed in a semi-experimental design. its data were collected from students of the third grade (30), fourth grade (30), and fifth grade (12) of primary school. t...