نتایج جستجو برای: memory
تعداد نتایج: 258244 فیلتر نتایج به سال:
Background and Objectives: Tooth extraction is one of the ways to treat dental diseases. The aim of this study was to determine the effect of different molar tooth extraction patterns on short-term and middle-term memory in rats. Materials and Methods: In this experimental study, 45 male Wistar rats were divided into three groups: control group (C) without pulling, pulling group 1 (E1) by pull...
The aim of the current research study was to determine the effectiveness of working memory intervention on behavioral inhibition and visual working memory in children with symptoms of attention-deficit/impulsivity disorder in Selseleh city. The method was a quasi-experimental pre-test-post-test design with a control group. The statistical population consisted of all boy students of 8-12 years o...
the aim of the present study was to investigate the effect of physical training and working memory training on mental rotation ability. 45 non-athlete female students were purposively selected and randomly assigned to one of these groups: aerobic training, working memory training and control (each group 15 subjects). this study was quasi-experimental, which was a type of pretest-posttest with a...
in this paper, we have estimated the memory of thetehran stock exchange indices. the estimation of fractional differencing parameter is carried out by various methods such as mle, nls, hurst exponent, gph, lo, whittle and wavelet. the estimation results of whittle, wavelet, hurst, and lo methods allow us to conclude that the returns on stock indices (tepix, tedpix, tedix, financial index and in...
previous studies had reported that extracellular levels of ascorbic acid have modulatory effects on dopamine receptors. both ascorbic acid and dopamine receptor have an important role in learning and memory processes. however, the central interaction between ascorbic acid and dopamine d2 receptor on spatial learning and memory has not yet been elucidated. all experiments were carried out on mal...
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 Objective: Cannabinoids are a class of psychoactive compounds that produce a wide array of effects in a large number of species. In the present study, the effects of bilateral intra-CA1 injections of L-arginine on WIN55, 212-2 induced state-dependent memory of passive avoidance task was examined in mice. Materials and Methods: One-trial step-down paradigm was used for the assessm...
Objective: the study was designed to examine explicit memory bias in trait-anxiety and obsessive compulsive disorder. Method: memory bias was examined in three groups of subjects: low-trait anxious (20 subjects), high-trait anxious (20 subjects), and obsessive compulsive patients (20 subjects) in whom danger schema were activated after they were exposed the threat-related material. The trait-a...
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...
background: this study assessed the relationship between working memory capacity and auditory stream segregation by using the concurrent minimum audible angle in children with a diagnosed auditory processing disorder (apd). methods: the participants in this cross-sectional, comparative study were 20 typically developing children and 15 children with a diagnosed apd (age, 9–11 years) according t...
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