نتایج جستجو برای: passive avoidance apparatus
تعداد نتایج: 155902 فیلتر نتایج به سال:
Background and Objective: Memory naturally degrades with the passing of time. Dementia or deficit of memory caused by Alzheimer’s disease, aging and other risk factors, greatly affects one’s day-to-day life. Lavandula officinalis is an effective medicinal plant in treating inflammation, epilepsy, depression and anxiety. Also, recently have been submitted reports about the effects of lavender on...
Background: Many studies have shown that zinc has an important effect on learning, memory and cognition. On the other hand, ovariectomy in adult female rats reduces memory and learning. Also, regarding the contradictory reports on the effects of zinc chloride on memory and learning, this study aimed to examine the effect of zinc chloride on passive avoidance memory of ovariectomized female rats...
abstract background and objective: alzheimer’s disease (ad) is a weakening neurodegenerative disorder typified by increased b-amyloid (ab) deposition and neuronal dysfunction causing to impaired learning and memory. among proposed risk factors, induced oxidative stress is a main cause for incidence of the disease. the aim of this study was to determine the effects of the rosmarinic acid on lear...
BACKGROUND AND PURPOSE The purpose of this study was to investigate the behavioral changes, in particular retention of memory, after focal cerebral ischemia in rats. METHODS Ischemia was produced by permanent occlusion of the left middle cerebral artery (MCA). For quantitative behavioral analysis, one-trial passive avoidance response and active avoidance response with the discrete lever-press...
there is strong evidence that two cerebral hemispheres are differentially involved in emotional memory and that amygdala is a key subcortical structure for emotional experience. the present research investigated the possible involvement of lateralization of basolateral amygdala (bla) and central amygdala (cea) in place avoidance memory. for this purpose, male long-evans rats (280-320 g) were im...
diabetes mellitus is accompanied with disturbances in learning, memory, and cognitive skills in the humans and experimental animals. due to the anti-diabetic and antioxidant activity of pelargonidin (pg), this research study was conducted to evaluate the efficacy of chronic oral pg on alleviating learning and memory disturbance in streptozotocin-diabetic rats. male wistar rats were divided into...
Active and passive avoidance behaviors involve either emitting or omitting a response to avoid potential harm. Both are key components in the etiology and maintenance of anxiety disorders, yet the neural circuitry that mediates avoidance is underexplored. Using functional magnetic resonance imaging greater hemodynamic activation of the nucleus accumbens was found during active avoidance, wherea...
background several studies showed that dopamine and norepinephrine improve retention and retrieval of memory. methylphenidate is an enhancer of dopamine and norepinephrine in brain. objectives in the present study, the effect of methylphenidate was evaluated on retention and retrieval of memory in young and aged mice using passive avoidance apparatus. materials and methods animals were divided ...
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