نتایج جستجو برای: memory deficit
تعداد نتایج: 315900 فیلتر نتایج به سال:
The present study examined memory function in Tc1 mice, a transchromosomic model of Down syndrome (DS). Tc1 mice demonstrated an unusual delay-dependent deficit in recognition memory. More specifically, Tc1 mice showed intact immediate (30sec), impaired short-term (10-min) and intact long-term (24-h) memory for objects. A similar pattern was observed for olfactory stimuli, confirming the genera...
Alzheimer's disease (AD) is a complex neurodegenerative disorder with a progressive template leading to neural damage as well as cognitive and memory deficit. The present study designed to investigate the neuroprotective effects of Centella Asiatica (CA) in STZ-induced rat model of memory impairment and neuronal damage. ICV infusion of STZ (3 mg/kg) or saline (as vehicle) were performed on days...
Introduction: It has been shown that three new synthetic coumarins-3-carboxamides including 3-fluorobenzilchloride, 4-fluorobenzilchloride and 2-hidroxy-3 metoxybenzaldehyde, have acetylcholinesterase inhibitory activity. This study was performed to estimate ameliorating effect of these new coumarin-3-carboxamides on memory impairments induced by scopolamine (1 mg/kg, induced prolongation) in m...
Background and Objective: the aim of this study was to assess The Effectiveness of Cognitive Rehabilitation, neurofeedback and combination of these two methods on Working Memory in children with Attention deficit hyperactivity disorder (ADHD). Methods: This pre-test and post-test quasi-experimental study was performed on 100 children with ADHD (6 to 12 years) referring to Tehran Psychiatric cen...
Neuropsychological impairments are well documented in schizophrenia and are important targets of treatment. Information about the severity and pattern of deficits after treatment for the first psychotic episode and about relationships between these deficits and syndromal characteristics remains limited. Comprehensive neuropsychological assessments including 41 individual tests were given to 94 ...
Insulin-like growth factor 2 (IGF2) as a microglia-derived anti-inflammatory cytokine has a pivotal activity in memory consolidation. However, there is limited evidence on brain cell-originated IGF2 expression, regulation and function in pathological condition and neuro-inflammation. Hence, the present study was conducted to investigate the effect of IGF2 on improving the memory impairment in a...
Stress and episodic memory impairment have previously been associated. Acute stress disorder (ASD) is a maladaptive stress response, which develops in some individuals following traumatic life events. Recently, the authors demonstrated a specific deficit in associative memory for emotionally neutral stimuli in ASD and posttraumatic stress disorder (PTSD). This study further tested the relations...
We examined the relation between plasma total homocysteine (tHcy), folate, vitamin B12, and episodic memory in elderly community-dwelling subjects. A population-based study was conducted in 1992 and 1993, and subjects were re-investigated after 6 years. Plasma analytes were determined on both occasions. At follow-up, memory performance, using the Kendrick Object Learning Test, was investigated ...
Background. Tinospora cordifolia, an Indian medicinal plant, has been reported to have beneficial effects on disorders like peptic ulcer, hepatobiliary disorders, rheumatism, infectious diseases etc. It enhances cognition in normal rats and successfully overcomes cyclosporine induced memory deficit. Methods. Thirty healthy volunteers of age 18-30 years received Tinospora cordifolia (500 mg of p...
BACKGROUND Many anaesthetics when given to young animals cause cell death and learning deficits that persist until much later in life. Recent attempts to compare the relative safety or toxicity between different agents have not adequately controlled for the relative dose of anaesthetic given, thereby making direct comparisons difficult. METHODS Isoflurane or sevoflurane were given at 1 minimu...
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