نتایج جستجو برای: elevated plus
تعداد نتایج: 281977 فیلتر نتایج به سال:
Septohippocampal system plays an important role in regulating fear and anxiety behaviors. In this study, the effects of histamine injected into the dorsal hippocampus and opioidergic agents into medial septum on the anxiety-like behaviors in rats were analyzed, using the Elevated Plus-Maze (EPM) test. Injection of 1 and 5 μg/rat histamine into dorsal hippocampus had no effect on anxiety-like...
Background and Objectives: Alzheimer's disease (AD) is a neurodegenerative disease and the most common cause of dementia. The characteristics of this disease are amnesia, cognitive and verbal disorders, memory deficit, paranoia, depression, and anxiety. In this study, the alterations of cognitive-behavioral and nuclear factor kappa (NF-κ) factor, were investigated following the xenogenic transp...
Background: Previous studies indicate that morphine dependent and withdrawal from chronic opiates enhanced anxiety-related behaviours in novel and stressful conditions in rats. Recent studies have shown that exposure to a stressor generates a wide variety of adaptive responses, while enhancing abilities to adopt with the stressor. Therefore, the aim of this study was to examine the effect of ch...
To study anxiolytic and antidepressant effect of Astaxanthin as an adjuvant to standard drug.In this study, to investigate the effects of astaxanthin on anxiety and depression,we performed some behavioural trials including elevated plus maze test, hole-board test, forced swim test, and tail suspension test.Astaxanthin ( 3 mg/kg/day for 15 days, orally) significantly increased the time spent in ...
Female hooded-Lister rats received either sub-chronic phencyclidine (PCP) (2 mg/kg, n=20) or vehicle (1 ml/kg, n=20) i.p. twice daily for seven days, followed by a sevenday washout period. Rats were challenged with acute PCP or vehicle and tested for locomotor activity to ensure hyperactivity was observed in the sub-chronic PCP treated rats. Rats were then tested on the elevated plus maze and i...
The alteration of endogenous opiate alkaloids during fasting state was investigated in rats. The concentrations of morphine and codeine in the cortex, midbrain, pons plus medulla, cerebellum, adrenal gland and pancreas were measured using radioimmunoassay for the opiates following high pressure liquid chromatography. The morphine and codeine contents of fasting rats showed maximum elevated leve...
The aim of the present study was to evaluate, by means of a temporal pattern analysis, rat’s behavior in the elevated plus maze test. A specific software called THEME has been used. On the basis of an ethogram encompassing 24 behavioral elements, results demonstrated that 14 components represented the 98% of the displayed activities. 145 different temporal patterns have been detected; length di...
Thirty four healthy young male subjects performed symptom limited exercise on Bruce protocol on treadmill machine. Hyperventilation induced labile repolarisation ST-T abnormalities were observed in 2 whereas exercise induced ST changes (upsloping ST depression in 4 and horizontal ST depression in 1) were observed in 5 additional candidates. Changes were unaccompanied by symptoms or signs and qu...
خلاصه : مقدمه: با توجه به اینکه استرس در دوران جنینی اثرات گوناگونی بر فرآیندهای بیولوژیکی و بخش های مختلف ساختارهای جنینی ایجاد می کند در این مقاله هدف بررسی اثرات استرس دوران جنینی بر HPA دارد و اختلالاتی را در رفتار اجتماعی و تنظیم محور در دوران بلوغ Elevated Plus-maze و Openfield ویژگی های مورفولوژیکی هیپوکامپ درنوزادی وبلوغ وتست رفتاری در محیط می باشد . روش کار: ر تهای ماده حامله نژاد ویست...
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