نتایج جستجو برای: spatial working memory
تعداد نتایج: 774427 فیلتر نتایج به سال:
اثر تجویز توأم دونپزیل و اسید فولیک بر اختلالات حافظه فضایی در موش صحرایی نر بالغ مدل بیماری آلزایمر
Background: Alzheimer's disease is a neurodegenerative disorder that is diagnosed with a lack of memory and perception. Objective: The aim of this study was to evaluate the effect of donepezil and folic acid on reference and working memory disorders caused by electrical lesion of nucleus basalis magnocellularis (NBM). Methods: In this experimental study, 49 adult male Wistar rats were divided...
memory is the cognitive ability that allows acquiring, store and recalling information. anterior thalamic dysfunction creates memory deficits in rats and humans. anterior thalamus forms a memory network in connection with the hippocampus. this connectivity profile proposes that ventrolateral and anterior thalamus may display a nexus between reminder and control functions, such as action or atte...
objectives: the aim of this research is designing a computerized program, in game format, for working memory training in mild intellectual disabled children. methods: 24 students participated as test and control groups. the auditory and visual-spatial wm were assessed by primary test, which included computerized wechsler numerical forward and backward sub- tests, and secondary tests, which cont...
Three experiments examined the role of eye and limb movements in the maintenance of information in spatial working memory. In Experiment 1, reflexive saccades interfered with memory span for spatial locations but did not interfere with memory span for letters. In Experiment 2, three different types of eye movements (reflexive saccades, pro-saccades, and anti-saccades) interfered with working me...
objectives: the purpose of this research was to explore the possible differences in the working memory of monolingual (persian) and bilingual (persian-baluchi) children. we wanted to examine if there is a statistically significant relationship between working memory and bilingualism. methods: four working memory (wm) tests, assessing three wm components, were administered to 140 second grade s...
We examined the role of visuo-spatial working memory in different types arithmetic ability children. Previous research had suggested that is not a single entity (Dowker, 2005, 2015), and also specifically involved mathematical cognition (McKenzie et al., 2003) There has, however, been little on relationships between arithmetic. tested 39 children Year 2 (6 to 7 years) 4 (8 9 years), taking meas...
Spatial memory is of interest in schizophrenia because of widespread impairments in adaptive functioning, including independent living skills. Short-term spatial memory is impaired in this disease, whereas spatial reference memory, a longer-term spatial memory, has not been evaluated. Animal studies have demonstrated that anticholinergics impair short-term spatial memory but not spatial referen...
Introduction: Uteroplacental insufficiency (UPI) causes neurodevelopmental deficits affecting the intrauterine growth restricted (IUGR) offspring. This study aimed to analyze the effects of Gallic acid (GA) on memory deficit and brain-derived neurotrophic factor (BDNF) content in entorhinal cortex of UPI rat models. Methods: In this experimental study, 40 pregnant Wistar rats were randomly div...
This study examined how spatial working memory and visual (object) working memory interact, focusing on two related questions: First, can these systems function independently from one another? Second, under what conditions do they operate together? In a dual-task paradigm, participants attempted to remember locations in a spatial working memory task and colored objects in a visual working memor...
Functional imaging studies indicate that the left hemisphere mediates verbal working memory, while the right hemisphere mediates both verbal and spatial working memory. We evaluated acute stroke patients with working memory tests and imaging to identify whether unilateral dysfunction causes deficits in spatial and/or verbal working memory deficits. While left cortical stroke patients had verbal...
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