نتایج جستجو برای: active avoidance learning
تعداد نتایج: 1052061 فیلتر نتایج به سال:
electromagnetic field (emf) radiation affects cellular and brain chemistry and function, resulting in deleterious effects such as free radicals formation, impaired dna repair, reduced melatonin and blood brain barrier protection, and defects on learning and memory and other higher brain functions. in this paper the effects of low frequency emf of 50- and 217 hz, ranges often associated with com...
Objective(s): Diabetes mellitus (DM) is a widespread metabolic disorder worldwide. Clinical physicians have found diabetic patients have mild to middle cognitive dysfunction and an alteration of brain monoaminergic function. This study explored the change in various patterns of behavioral models and brain monoamine function under streptozotocin (STZ)-induced type 1 diabetes.Materials and Method...
The effects of some psychotropic agents were evaluated on cognitive function in rats. Acute administration of antipsychotic agents chlorpromazine, haloperidol or pimozide-all inhibited the active avoidance response as elicited by pole climbing test-the least effect being seen with pimozide. The antianxiety benzodiazepines, lorazepam and alprazolam, also attenuated active avoidance learning with...
Previous research across species has shown that the amygdala is critical for learning about aversive outcomes, while the striatum is involved in reward-related processing. Less is known, however, about the role of the amygdala and the striatum in learning how to exert control over emotions and avoid negative outcomes. One potential mechanism for active avoidance of stressful situations is postu...
A substantial body of evidence has correlated the human body burdens of some polybrominated diphenyl ether (PBDE) flame retardants with cognitive and other behavioral deficits. Adult zebrafish exhibit testable learning and memory, making them an increasingly attractive model for neurotoxicology. Our goal was to develop a rapid throughput means of identifying the cognitive impact of developmenta...
objective(s) the present study aimed to investigate the effects of a fat soluble antioxidant, coenzyme q10 (coq10) and folic acid on learning and memory in the rats with intracerebroventricular injection of streptozotocin (icv-stz), an animal model of sporadic type of alzheimer's disease. materials and methods the lesion groups were injected bilaterally with icv-stz (1.5 mg/kg b.wt., in no...
background: alzheimer’s disease was known as a progressive neurodegenerative disorder in the elderly and is characterized by dementia and severe neuronal loss in the some regions of brain such as nucleus basalis magnocellularis. it plays an important role in the brain functions such as learning and memory. loss of cholinergic neurons of nucleus basalis magnocellularis by ibotenic acid can commo...
introduction: zinc is an essential trace element that plays an important role in synaptic plasticity and modulating the activity of cns and involve in learning and memory. synaptic vesicle zinc in the hippocampus area exerting modulatory effects on nmda glutamate receptor. method: in this experiment the effects of nmda agonist and antagonist administration intra hippocampus on passive avoidance...
a b s t r a c t introduction: diabetes mellitus is accompanied with disturbances in learning, memory, and cognitive skills in the human society and experimental animals. due to anti-diabetic and antioxidant activity of rumex patientia (rp), this research study was conducted to evaluate the efficacy of chronic rumex patientia feeding on alleviation of learning and memory disturbance in streptozo...
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