نتایج جستجو برای: dependant plasticity
تعداد نتایج: 61520 فیلتر نتایج به سال:
introduction: neuro-plasticity is the neuronal system ability to modify and recover itself after the occurrence of impairment and injuries. following the abolition of a sensory modality, modifications will be applied to other modalities and their cortical function in a way that the processing of these modalities not only will happen in their own specific cortical area, but also in those areas t...
Background and purpose: Glial cells seem to play role in synaptic plasticity because they have the ability to release trophic factors and gliotransmitters and respond to neurotransmitters. They also play important role in synaptic space homeostasis. In this study, the role of hippocampal glial cells in baseline synaptic response and short term synaptic plasticity were investigated. Material...
Following peripheral nerve injury microglia accumulate within the spinal cord and adopt a proinflammatory phenotype a process which contributes to the development of neuropathic pain. We have recently shown that neuregulin-1, a growth factor released following nerve injury, activates erbB 2, 3, and 4 receptors on microglia and stimulates proliferation, survival and chemotaxis of these cells. He...
Ventilator-associated pneumonia (VAP) has been described in humans and in experimental animals. The most severe lesions are located in dependent lung segments along a sterno-vertebral axis, however the cephalocaudal distribution of lung infection remains unknown. We used an experimental model to evaluate the distribution of lung infection, considering its anteroposterior and cephalocaudal gradi...
Through European countries the dependency ratio of elders and people with disability will rise in the next years. To avoid a degradation of the life quality of dependant persons, they may be maintained in their home. To ensure people safety and avoid isolation problems, some mechanisms are needed. We propose a new method, the X-development method, to guide generic product design from end-to-end...
Adrenergic receptors have an important role in neural excitability and synaptic plasticity. Despite a lot of studies on these receptors, their exact role in brain disorders accompanied with hyperexcitability has not been determined. There are also controversies on their role in synaptic plasticity. In this review article, the important studies done in this regard have been reviewed to achieve a...
Word order and accent placement are the primary linguistic means to indicate focus/background structures in German. This paper presents a pipelined architecture for the generation of German monologues with contextually appropriate word order and accent placements for the realization of focus/background structures. Our emphasis is on the sentence planner that extends the respective propositional...
This article considers the justice of requiring employment as a condition of receiving public assistance. While none of the main theories of justice prohibits work requirements, the arguments in their favour are weak. Arguments based on reciprocity fail to explain why only means-tested public benefits should be subject to work requirements, and why unpaid dependant care work should not...
the effect of endogenous serotonin on long-term potentiation (ltp) in region cai was studied by blocking 5-ht2 receptors with ketanserin in rat hippocampal slices. such a block significantly en-hanced long-term potentiation of the cai population spike induced by high frequency stimulation of the schaffer collateral/ commissural pathway. this implies that serotonin acts on 5-ht2 receptors in cai...
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