نتایج جستجو برای: plasticity

تعداد نتایج: 57812  

2015
Ruwan M Jayatunge

Human brain can create new neural pathways and create novel memories. Neuronal connections and cortical maps are continuously remodeled by experience (Johansson, 2000). The brain has the capacity to undergo activity-dependent functional and morphological remodeling via mechanisms of plasticity (Bruel-Jungerman, Davis &Laroche, 2007). There are two major types of brain plasticity: functional pla...

Journal: :Han-gukbangjaehakoenonmunjip 2023

Interest in liquefaction has increased owing to the increasing occurrence of country. According previous studies, factors that influence include grain size distribution, plasticity, relative density, overconsolidation ratio, and confining conditions. In this study, possibility was evaluated based on distribution soil plasticity. Based a clear correlation between resistance two samples could not...

Journal: :Neuron 2012
Daniel E. Feldman

In spike-timing-dependent plasticity (STDP), the order and precise temporal interval between presynaptic and postsynaptic spikes determine the sign and magnitude of long-term potentiation (LTP) or depression (LTD). STDP is widely utilized in models of circuit-level plasticity, development, and learning. However, spike timing is just one of several factors (including firing rate, synaptic cooper...

2017
Friedemann Zenke Wulfram Gerstner

We review a body of theoretical and experimental research on Hebbian and homeostatic plasticity, starting from a puzzling observation: while homeostasis of synapses found in experiments is a slow compensatory process, most mathematical models of synaptic plasticity use rapid compensatory processes (RCPs). Even worse, with the slow homeostatic plasticity reported in experiments, simulations of e...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2009
Kevin Fox

Functional rehabilitation of the cortex following peripheral or central nervous system damage is likely to be improved by a combination of behavioural training and natural or therapeutically enhanced synaptic plasticity mechanisms. Experience-dependent plasticity studies in the somatosensory cortex have begun to reveal those synaptic plasticity mechanisms that are driven by sensory experience a...

2017
Wei Liu Tongtong Ge Yashu Leng Zhenxiang Pan Jie Fan Wei Yang Ranji Cui

Neural plasticity, a fundamental mechanism of neuronal adaptation, is disrupted in depression. The changes in neural plasticity induced by stress and other negative stimuli play a significant role in the onset and development of depression. Antidepressant treatments have also been found to exert their antidepressant effects through regulatory effects on neural plasticity. However, the detailed ...

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