نتایج جستجو برای: induced impairments of spatial learning and memory in rats
تعداد نتایج: 26120221 فیلتر نتایج به سال:
the present study was conducted to investigate the role of summary in teaching grammar process on pre-university students. to this end, 48 male pre-university students in semnan were participants. they were math class that we called experimental group and science class as control group. in order to make sure there was no significant difference in proficiency level of two groups. a pre-test wa...
Background and Objective: Impaired cognitive function and memory, a characteristic of Alzheimer's disease, can be caused by decreased activity of the cholinergic system. Scopolamine, a muscarinic receptor antagonist, may cause temporary impairment in memory and provide an Alzheimer's disease model. This study was designed to evaluate the effects of water extract of Elaeagnus Angustifolia on mem...
vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...
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...
Intracerebroventricular (ICV) injection of streptozotocin (STZ) in rats is followed by long-term and progressive deficits in learning, memory, and cognitive performance which is somewhat similar to sporadic Alzheimer’s disease (SAD). Epidemiological studies suggest that non-steroidal anti-inflammatory drugs (NSAIDs) could delay or slow the clinical expression of SAD. Therefore, the benefi...
an investigation into oral interaction in language classes: a conversation analytic point of view the aim of this thesis is to analyze the interaction between language teachers and students in english language institutes. this work is done in the context of yasuj city. learning another language, which is in most cases english, involves many variables. one of these variables is the linguistic...
the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...
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...
Introduction: Ascorbic acid (AA) is present in high concentrations with heterogeneous distribution in the mammalian brain. Previous studies have shown that release of various neurotransmitters such as glutamate, acetylcholine and dopamine might be involved in the central AA release. On the other hand all of these neurotransmitters and the region CA1 of the hippocampus are involved in learnin...
Lead (Pb2+) is a well known neurotoxin that was frequently found in the environment and chronic exposure to lead has been matter of public health. In the present study the effect of lead on spatial memory in developmentally exposed rats and their dams in Morris water maze task were investigated. Female rats were divided into three groups and two groups exposed to 250 and 750 part per million (p...
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