OBJECTIVES In this study, we investigated whether increasing stimulus duration could improve performance on a test of attention and short-term memory in cognitively impaired individuals. METHODS A computer-generated forward digit span test was administered to 65 patients with mild cognitive impairment or dementia (28 intervention and 37 controls). After point of failure, testing in the interv...

there are many discrepancies around the effect of sex hormones on spatial learning and memory in rodents. the aim of the present study was to investigate the effects of chronic administration of estradiol (es) and testosterone (tes) on spatial memory in adult castrated male rats. cholinesterase activity of the hippocampus in treated animals was also measured to seek if hormonal treatment can ch...

objective(s): smoking opium/cigarette is a global health concern. the aim of this study was to examine learning and memory of rat male offsprings whose mothers had been exposed to either opium or morphine with nicotine during pregnancy. materials and methods: wistar rats were used for the experiments. in the female rats, opium, morphine and nicotine dependencies were induced by daily injections...

Effect of In order to test the memory state in patients with non-insulin dependent diabetes mellitus (NIDDM) after glycemic control, one-hundred patients referring to Isfahan Endocrine and Metabolism Research Center were simply randomized. They were compared in point of memory state with one hundred cases as the control group. The Wechsler Memory Scale test was utilized to evaluate the mem...

In regard to the role of Aluminium in the emergence of psychological disorded in patients with chronic kidney diseases,this research project studied the acute,and chronic effects of Alluminium on different stages of memory and learning abilitis,after grouping the rats Alluminium chloride with concentrations of 1mg,5mg,10mg and 20 mg was used per kg of body weight.the Alluminium was given by int...

Objective(s): Smoking opium/cigarette is a global health concern. The aim of this study was to examine learning and memory of rat male offsprings whose mothers had been exposed to either opium or morphine with nicotine during pregnancy. Materials and Methods: Wistar rats were used for the experiments. In the female rats, opium, morphine and nicotine dependencies were induced by daily injection...