Memory impairment is one of the main features of post-traumatic stress disorder (PTSD),There are multiple studies in memory impairment and cognitive function such as memory in a variety of explicit memory, implicit, procedural, active, declarative, revermid ,working, visual, false and autobiographical. The methodology of systematic review were, meta-analyzes and controlled studies of sites Med ...

background:purpose of present study was to investigate whether chronic exposure to zinc fume would affect serum zinc levels, memory, and cognition in zinc fume-exposed workers. methods:in a cross-sectional study, all zinc fume-exposed workers (exposed, n=20) were compared with unexposed workers (reference, n=20) matched for sex and education level in a zinc galvanization factory. the workers we...

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...

the study of the relationship between memory and achievement motivation with gender and academic achievement of students of urmia medical sciences university     feizi pour h [1] *, farjah gh [2] , qaderneghad m [3]     received: 9 nov , 2011 accepted: 21 jan , 2012     abstract   background & aims : memory gives possibility to mental life of human including thoughts, perceptions, opinions, and...

introduction: the present post-eventual research study was conducted with the purpose of comparing the memory performance between two distinct groups of 50 healthy children and 50 attention deficit hyperactivity disorder (adhd) children (25 girls and 25 boys) in tehran with an age range of 10-12. methods: the whole students were selected through simple random sampling method and were assessed i...

working memory impairment is one of the most important cognitive deficits in patients with mild traumatic brain injury that affect mental health status even in the early stages of the disease. the purpose of this study was to evaluate the correlation between the working memory and mental health status in traumatic brain injury (tbi) patients. this cohort study was performed on 50 tbi patients a...

background: it has been known that brain-derived neurotrophic factor (bdnf) is involved in neural survival and long term memory (ltm). here we hypothesized that bdnf as a potent neurotrophic factor might modulate amnestic effect induced by morphine. objectives: the aim of this study was to examine whether infusion of exogenous bdnf in the ca1 regions of the dorsal hippocampi could ameliorate me...

purpose previous studies have shown that physical activity improves learning and memory. present study was performed to determine the effects of short term and long term treadmill exercise on learning, memory consolidation and retrieval of passive avoidance learning in an animal model. methods in this study fifty male wistar rats with 3-4 months of age were randomly divided into five groups (n=...