نتایج جستجو برای: dorsal hippocampus
تعداد نتایج: 91775 فیلتر نتایج به سال:
introduction: although hippocampus is the most famous brain area involved in temporal lobe epilepsy, hippocampal kindling (hk) develops very slowly. hence, rapid kindling is usually preferred to the traditional kindling and it is widely used. in this article we aimed at finding the optimal stimulus pattern, which yields the fastest hk rate. methods: stimulus patterns with different duration (2,...
Background and Objectives: Studies have documented the morhplogical, neurochemical and functional difference between the dorsal and ventral zones of hippocampus. The aim of this study was to assess the effects of chronic diabetes mellitus type1 on ventral and dorsal zones of hippocampus. Methods: Experimental diabetes was induced by stereptozotocin at a dose of 60 mg/kg. At the end of 8 wee...
background and objectives: studies have documented the morhplogical, neurochemical and functional difference between the dorsal and ventral zones of hippocampus. the aim of this study was to assess the effects of chronic diabetes mellitus type1 on ventral and dorsal zones of hippocampus. methods: experimental diabetes was induced by stereptozotocin at a dose of 60 mg/kg. at the end of 8 weeks ...
Background and purpose: The adrenergic system is known to have modulatory influence on anxiety-related behaviour both in human and animals. Dorsal hippocampus is an important brain site in modulation of neurotransmittery and neuroendocrinology of anxiety. The present study, was designed to evaluate the interactions between adrenergic and opioidergic systems in dorsal hippocampus on anxiety. Ma...
Introduction: In the present study, the effect of inhibition of glutamate NMDA receptors located in the dorsal hippocampus on the maintenance of anxiety and depression like behaviors induced by electric foot shock stress was investigated. Materials and Methods: NMARI male mice were divided into two categories. The first category received electro foot shock for 30 minutes after injection of mema...
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 Objective: Ethanol and nicotine increase dopamine release in different parts of the brain such as the nucleus accumbens and the hippocampus. Dopamine D1 receptors have been detected in dorsal hippocampus known as a key brain region that seems to mediate some behavioral effect of ethanol and nicotine. The present study was carried out to determine the influence of dopamine D1 rece...
Investigation of the Role L-Arginine and L-NAME in Dorsal Hippocampus on Anxiety, Depression Brain Level BDNF after Stress Male Mice
Abstract Background: Anxiety is a psychological and physiological state characterized by somatic, emotional, cognitive, and behavioral components. Anxiety is considered to be a normal reaction to stress, however excessive anxiety results in anxiety disorder. In this study, we investigated the possible interaction between nicotine and nitric oxide system of the dorsal hippocampus on anxiety-l...
Background and Objective: It has been shown that cannabinoids exert widespread effects on cognitive functions. An overlapping distribution of GABA with cannabinoid receptors has been reported in some brain structures such as dorsal hippocampus. Thus, the functional interactions between cannabinoid and GABAergic systems in cognitive control seem possible. The present study evaluated the potentia...
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