Background: This study was to examine the effects of omega-3 supplementation and high-fat diet in brain-derived neurotrophic factor (BDNF) in the male adult rat hippocampus. Methods: Twenty one Wistar rats were divided into three groups: (1) regular diet (RD), (2) high-fat (HF) diet and (3) Docosahexaenoic acid (DHA) diet. RD group was regarded as control. Animals in HF groups were exposed to t...

abstract the aim of the present study is to explore the impact of the cognitive reading strategy instruction on learners reading self-efficacy and their reading achievement. in order to fulfill this purpose, from 120 participants, 90 intermediate efl learners as an experimental group were chosen from three different educational settings namely, yazd university, yazd science and art un...

the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...

Objectives: This study investigated the effect of acute resistance exercise on brain-derived neurotrophic factor (BDNF), Insulin-like growth factor-1 (IGF-1) and Insulin-like growth factor binding protein-3 (IGFBP-3) in the elderly. Methods & Materials: 22 healthy older men participated in this study (mean age of 60-75 years old). 72 hours after the determination of muscular maximal strength...

abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...

Introduction: Brain derived neurotrophic factor (BDNF) have neuroprotective effect through binding with tyrosine kinase B (TrkB). Thus the Aim of the present study was to investigate the effects of eight weeks endurance training on BDNF and TrkB levels in the hippocampus of ischemic induced male rats. Methods: 40 Male wistar rats (12 weeks old and 228.19±21.18g) were divided into four groups, i...

 Background and purpose: Post-traumatic stress disorder (PTSD) is a condition that occurs in some people after experiencing shocking events. In this disorder, the function of some hormonal and neurotransmitter systems are disturbed. Physical activity, by inducing beneficial effects on the brain structure, improves anxiety behaviors, increases the level of BDNF, and reduces the harmful effects o...

this study was conducted to investigate the impact of portfolio assessment as a process-oriented assessment mechanism on iranian efl students’ english writing and its subskills of focus, elaboration, organization, conventions, and vocabulary. out of ninety juniors majoring in english literature and translation at the university of isfahan, sixty one of them who were at the same level of writing...

a novel acrylic acid-functionalized fe3o4 magnetic nanoparticle with a core-shell structure was developed for utilization as a heterogeneous organosuperacid in chemical transformations. the structural, surface, and magnetic characteristics of the nanosized catalyst were investigated by various techniques such as transmission electron microscopy (tem), thermogravimetric analysis (tga), and ft-ir...

this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...