objective(s) learning is defined as the acquisition of information and skills, while subsequent retention of that information is called memory. the objective of the present study was to investigate the effect of aqueous extract of boswellia papyrifera on learning and memory paradigms in mice and rats. materials and methods this study was held at the department of pharmacology, faculty of pharma...

‎ introduction: controversial results have been reported about the effect of morphine and stress on learning and spatial memory in rodents. there are very few studies about the effects of ultra low doses of morphine on memory. in this study, effects of acute administration of low and usual doses of morphine on memory formation and retention in the presence and absence of repeated stress were in...

persian carpet weaving is one of iran’s most famous industries that has attracted the world’s attention to persian arts through the centuries. what above all, have given prominence to persian carpet as a beautiful work of art are the pattern and its composition in a two-dimensional space. the diversity of patterns, use of deep and beautiful colors, good composition, harmony of colors, delicate ...

introduction: the role of ovarian hormones and nitric oxide (no) in learning and memory and their interaction has been widely investigated. the present study carried out to evaluate different effect of l-name on spatial learning and memory of ovariectomized (ovx) and sham operated rats. methods: 32 rats were divided into 4 groups: 1) sham 2) ovx 3) sham-ln and 4) ovx-ln. the animals of groups 3...

analysis and design of object oriented is onemodern paradigms for developing a system. in this paradigm, there are several objects and each object plays some specific roles. identifying objects (and classes) is one of the most important steps in the object-oriented paradigm. this paper makes a literature review over techniques to identify objects and then presents six taxonomies for them. the f...