objective: this study aimed to investigate the verbal memory and working memory impairment in healthy siblings of patients with schizophrenia.  methods: the purpose of this study was to compare cognitive deficits in siblings of the patients with schizophrenia and control group. a total of 35 unaffected siblings of patients with schizophrenia were selected from the relatives of the patients refe...

objective(s) diabetes mellitus is associated with disturbances of learning and memory and cognitive functioning. aegle marmelos corr. from rutaceae family is widely used in iranian folk medicine for the treatment of diabetes mellitus. considering the beneficial antidiabetic and antioxidant potential of a. marmelos, this study was conducted to evaluate the effect of oral administration of a. mar...

The aim of the present study was to evaluate the effect of melatonin as an antioxidant on spatial navigation memory in male diabetic rats. Thirty-two male white Wistar rats weighing 200 ± 20 g were divided into four groups, randomly: control, melatonin, diabetic and melatonin-treated diabetic. Experimental diabetes was induced by intraperitoneal injection of 50 mg kg-1 streptozotocin. Melatonin...

electroconvulsive therapy (ect) is an efficient treatment for several neuropsychiatric disorders however a large number of patients develop memory impairment after ect. different studies both on animals and human suggest that vasopressin has positive effects on memory and improves cognitive functions. in this randomized, double-blind controlled clinical trial, 50 patients with psychiatric disor...

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 -...

diabetes mellitus is associated with disturbances of learning and memory and cognitive functioning. aegle marmelos corr. from rutaceae family, is widely used in iranian folk medicine for the treatment of diabetes mellitus. it decreases blood glucose level by improving glucose tolerance and also has lipid-lowering and antioxidant properties. considering the beneficial antidiabetic potential of a...

introduction: cholinergic systems are involved in learning and memory. scopolamine, a muscarinic acetylcholine receptor antagonist, is used as a standard/ reference drug for inducing cognitive deficits in healthy humans and animals. the purpose of this study was to evaluate the effects of scopolamine on avoidance memory and number of neurons in rat’s hippocampus. . methods: thirty five male alb...

Background. The evidence indicates that physical activity increases memory and ability to learn in human and animal. That is to say, the brain remarkably responds to exercise. Objectives. The purpose of this study is to investigate the effect and comparison of anaerobic and aerobic exercise on memory. Methods. In this study, ninety male students were randomly divided into three equal gr...