نتایج جستجو برای: maze test
تعداد نتایج: 819277 فیلتر نتایج به سال:
One of the factors responsible for high prevalence and attendant socio-economic burden anxiety disorders is paucity slow pace discovery new anxiolytic drugs to complement or replace existing ones due attrition rates poor translation preclinical drug efforts clinical usage. This scenario viewed arise from certain including inherent sensitivity idiosyncrasies most used individual classical tests/...
This study is undertaken to evaluate cognitive enhancing effect and neuroprotective effect of Loranthus parasiticus. Cognitive enhancing effect of Loranthus parasiticus was investigated on scopolamine-induced amnesia model in Morris water maze test and passive avoidance test. We also examined the neuroprotective effect on glutamate-induced cell death in HT22 cells by MTT assay. These results of...
Naloxone-injected (1.0 mg/kg) and saline-injected control rats were subjected to a two-trial test of object localization memory. In trial I rats were allowed to explore for 5 min an enclosed T-maze with an object (plastic bottle) placed in one maze arm. Then, the object was removed and after a 20-min retention interval rats were faced with two empty arms of the same maze (trial II). Control rat...
This study compared 19 older adults and 20 younger adults on the Groton Maze Learning Test((c)) (GMLT), a novel computerized hidden maze learning test that assesses processing speed, spatial learning efficiency, and error monitoring. Convergent validity of this test was assessed by comparing GMLT scores to Paced Auditory Serial Addition Test (PASAT) and Tower of Toronto (TOT) scores. In the ful...
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...
Groups of pregnant rats were maintained on either a histidine-high diet, or received periodic injections of C-nitromethane, or they received both treatments throughout gestation. Later, the offspring were tested in an open field for activity in a maze-learning task and retested for the retention of the maze habit. Results showed that both nitromehane injections and histidine-high diets resulted...
background and objective: temporal lobe epilepsy (tle) usually leads to memory deficit. in this study, we tried to assess the effect of withania somnifera extract on the impaired learning and memory in the intrahippocampal kainate model of tle in the rat. materials & methods: male rats (n=32) were divided into sham, extract+sham, kainite, and kainite+extract. for induction of epilepsy, uni...
Inhibition of phosphodiesterase 5 (PDE) improved recognition memory and counteracted spatial learning impairment induced by nitric oxide synthase (NOS) inhibition in recent studies. Aim of this study was to investigate effects of rolipram, a PDE4 inhibitor and zaprinast, a PDE5 inhibitor, on learning and memory in Morris water maze (MWM) and radial arm maze (RAM) tests in naive mice. Male Balb-...
The plus-maze was derived from the early work of Montgomery. He observed that rats tended to avoid the open arms of a maze, preferring the enclosed ones. Handley, Mithani and File et al. performed the first studies on the plus-maze design we use today, and in 1987 Lister published a design for use with mice. Time spent on, and entries into, the open arms are an index of anxiety; the lower these...
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