background and objective: diabetes mellitus is common endocrine disease cause learning and memory impairment. this study was done to evaluate the effect of quercetin on learning and memory in stz-induced diabetic rats was investigated. methods: in this experimental study, 40 male wistar rats were randomly allocated into five groups: control, quercetin - treated control, diabetic and quercetin -...

background: multiple sclerosis (ms) is a disease of the immune system that creates damage of learning and memory in that. using probiotic supplements is recommended for preventing ms disease and improving memory. this study aimed to investigate the effect of lactobacillus plantarum (lp) and bifidobacterium b94 (bb94), on acquisition phase of spatial memory in the local demyelination of rats` hi...

introduction: alzheimer disease is a progressive and irreversible neuropsychiatric disorder. melissa officinalis improves anxiety and clinical dementia symptoms caused by ad therefore, the purpose of the present study was to evaluate the effect of mellisa extract on spatial memory deficit induced by stz in mwm examination of male wistar rats. methods: in the present study, 112 male wistar rats ...

melissa officinalis l. (labiatae) traditionally used in treating neurological disorders has also been identified as a memory-enhancing herb. the extract of m. officinalis has a cholinergic property. the role of basal forebrain cholinergic neurons, the neurons that are destroyed in alzheimer’s disease (ad), in learning and memory, is also well known. the aim of this study is to investigate the r...

reconsolidation memory is defined as a process in which the retrieval of a previously consolidated memory returns to a labile state which is then subject to stabilization. previous studies have shown that mineralocorticoid receptors (mrs) modulate distinct phases of learning and memory, which display a high concentration and distinct distribution in the hippocampus. moreover, we found no studie...

introduction: working memory is thought to serve as a part of memory structure where functions like temporary storage and manipulation of information take place. this study investigates the effectiveness of working memory training regimens with iranian university students, while considering the implications for medical students. methods: thirty university students studying at different universi...

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...

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...