نتایج جستجو برای: central and basolateral nuclei of amygdala
تعداد نتایج: 24091443 فیلتر نتایج به سال:
introduction: previous studies have shown that the basolateral amygdale (bla) is rich of cb1 cannabinoid receptors and involved in cannabinoid-induced antinociception. also, it seems that there are functional interactions between the cannabinoid cb1 and opioid receptors in the process of sensitization to opiates. in the present study, we tried to examine the role of intra-bla cannabinoid recept...
this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...
GABAergic transmission in the amygdala modulates the expression of anxiety. Understanding the interplay between GABAergic transmission and excitatory circuits in the amygdala is, therefore, critical for understanding the neurobiological basis of anxiety. Here, we used a multi-disciplinary approach to demonstrate that GluR5-containing kainate receptors regulate local inhibitory circuits, modulat...
Reinforcement omission has been used as a procedure for the evaluation of attentional and motivational processes. Studies show that the activation of some amygdala nuclei may be involved in the modulation of these processes. This study examined the reinforcement omission effects on behavioral repertoire of rats with lesions in the central nucleus and basolateral complex of the amygdala, using c...
The amygdala is a key region for the processing of information underlying fear, anxiety, and fear extinction. Within the local neuronal networks of the amygdala, a population of inhibitory, intercalated neurons (ITCs) modulates the flow of information among various nuclei of amygdala, including the basal nucleus (BA) and the centromedial nucleus (CeM) of the amygdala. These ITCs have been shown...
Behavioral, electroencephalographic, and evoked potential studies, as well as experiments utilizing the direct intracerebral injection of benzodiazepines (BZs), have implicated the amygdala, particularly its basolateral nuclear division, as an important locus of the therapeutic actions of these drugs. BZ receptor localization within the amygdala could further define which amygdaloid nuclei are ...
Introduction: Learning and memory processes result from interaction of neurotransmitter systems in various brain regions such as amygdala and hippocampus. Considering that morphine induces memory impairment, in the current study, we examined the possible role of cholinergic muscarinic receptors of the central amygdala (CeA) on the morphine-induced amnesia in adult male Wistar rats. Methods...
The involvement of the basolateral and the medial amygdala in fear conditioning was evaluated using different markers of neuronal activation. The method described here is a combination of cytochrome oxidase (CO) histochemistry and c-Fos immunocytochemistry on fresh frozen brain sections. Freezing behavior was used as an index of auditory and contextual fear conditioning. As expected, freezing s...
Evidence indicates that the modulatory effects of the adrenergic stress hormone epinephrine as well as several other neuromodulatory systems on memory storage are mediated by activation of beta-adrenergic mechanisms in the amygdala. In view of our recent findings indicating that the amygdala is involved in mediating the effects of glucocorticoids on memory storage, the present study examined wh...
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