نتایج جستجو برای: spatial memory
تعداد نتایج: 601705 فیلتر نتایج به سال:
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...
Estrogen has a widespread and complex influence on brain capabilities such as learning and memory. On the other hand, hippocampus as one of the main brain structures has an important role in spatial information processing. There is some evidence on the existence of estrogen receptors in the hippocampal CA1 area. So, in this study the effect of intrahippocampal injection of estradiol benzoate on...
Objective(s) Cyclooxygenases (COXs) are known to play some roles in physiological mechanisms related to learning and memory. Since sodium salicylate is an inhibitor of COX, we have evaluated the effect of peripheral and intra-hippocampal administration of sodium salicylate on spatial learning and memory in male rats. Materials and Methods Male rats were studied in two groups; the first grou...
Objective(s): Growing evidence suggests that dysfunction of the glutamatergic system and α-amino-3-hydroxy-5-methyl-4-isoazolepropionic acid (AMPA) receptors are involved in pathology of Alzheimer’s disease (AD). Because AMPA receptors play a key role in plasticity synaptic regulation, positive modulation of these receptors may rescue the cognitive deficits in the AD. The aim of this study was ...
Background & Aims: Alzheimer's disease is a neurodegenerative disorder characterized by the abnormal aggregation of amyloid-β plaques in the brain. Although several studies have been done for finding effective medicines in the treatment of this disease, a drug that inhibits amyloid β aggregation and ameliorates the disorder has not been approved so far. One important therapeutic approach is use...
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 and Aim: Learning and memory defect occurs following chronic diabetes with uncontrolled blood glucose. Ginkgo leaf extract improves brain blood flow. Also it contains antioxidant components and has shown beneficial effects in neurological diseases. In this study we investigated the effects of Ginkgo leaf extract on spatial memory impairment and hippocampal neuronal loss caused by dia...
objective(s):global cerebral ischemia-reperfusion injury causes loss of pyramidal cells in ca1 region of hippocampus. in this study, we investigated the possible neuroprotective effects of the ethanol extract of cyperus rotundus (eecr) on a model of global transient ischemia in rat, by evaluating the pathophysiology of the hippocampal tissue and spatial memory. materials and methods: treatment ...
Background: Disturbances in maternal care have been associated with increased risk for drug abuse later in life. However, there has been little investigation of the effects of maternal separation (MS), a model of early life stress, on nicotine dependence, specifically during adolescence. In the present study, we aimed to investigate the effect of MS on nicotine-conditioned place preference (CPP...
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