objective: memory impairment is one of the most pervasive cognitive dysfunctions in schizophrenic patients. the aim of the current study was to conduct the most comprehensive assessment of how prospective memory (pm) is affected in schizophrenia in comparison with healthy controls. methods: in this study, 30 first-episode schizophrenic patients who fulfilled the diagnostic criteria of the diagn...

objective: elevated amino acid homocysteine (hcy) levels and insufficient physical activity are the risk factors in alzheimer disease (ad) development. the effect of intermittent aerobic training on memory retention test and thiobarbituric acid reactive substances (tbars) and superoxide dismutase (sod) levels in the dorsal hippocampus of rats which were stimulated with hcy is investigated. meth...

objectives: the prospective and retrospective memory questionnaire (prmq) developed by smith (2000) and consists of a series of questions about memory weakness that can be encountered anyone in everyday life. the self-reported questionnaire has 16 items that assessing of prospective and retrospective memory problems in everyday life and the aim of the present research was to examine the investi...

objective: working memory is the ability of maintaining and manipulating the required information for operating generalization in future. the aim of the present research is to investigate the effectiveness of neurofeedback therapy on the working memory in children with adhd.  methods: 24 children with adhd who had the required standards to participate in the study were selected by accessible sa...

a person, who is talented, performs in a certain capacity above the norm. talent is different from intelligence which is a response to a circumstance using knowledge and skill. the attributes of talent are exceptional memory, rapid processing speed, and high motivation, an affinity for learning, creativity and optimal cognition. there is some proof suggests that certain aspects of talent are re...

Introduction: Ethanol can induce a wide spectrum of neurophysiological effects via interaction with multiple neurotransmitter systems and disruption of the balances between inhibitory and excitatory neurotransmitters. Prefrontal cortex is involved in cognitive process including working memory and is sensitive to ethanol. Present study investigates the effects of intraperitoneal (i.p.) admini...

objective(s): due to the prevalence and pervasiveness of stress in modern life and exposure to both chronic and acute stresses, it is not clear whether prior exposure to chronic stress can influence the impairing effects of acute stress on memory retrieval. this issue was tested in this study. materials and methods: adult male wistar rats were randomly assigned to the following groups: control,...

　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 ...