Neuroplasticity of the sensorimotor cortex during learning.

Neuroplasticity of the sensorimotor cortex during learning.
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DOI:
10.1155/2011/310737
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发表时间:
2011
期刊:
影响因子:
3.1
通讯作者:
Song W
Song W
中科院分区:
医学4区
文献类型:
--
作者:
Francis JT;Song W

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我们将讨论一些当前的问题,在理解可塑性的感觉运动(SM)皮层的行为,神经生理学和突触水平。我们将集中我们的论文在大鼠达到和抓取运动。此外,我们将讨论我们利用蛋白激酶M β(PKM β)的抑制的初步工作,这最近已被证明对于维持长时程增强(LTP)是必要和足够的(Ling等人,2002年)。有了这些新的知识和对这个系统的抑制剂,以及过度表达这个系统的能力,我们可以开始直接调节LTP,并确定它对行为的影响,以及至少部分依赖于这种形式的LTP的网络级处理。我们还将简要介绍使用脑机接口(BMI)范式提出有关感觉运动可塑性的问题,并讨论可能有助于我们理解神经可塑性的当前分析技术。
We will discuss some of the current issues in understanding plasticity in the sensorimotor (SM) cortices on the behavioral, neurophysiological, and synaptic levels. We will focus our paper on reaching and grasping movements in the rat. In addition, we will discuss our preliminary work utilizing inhibition of protein kinase Mζ (PKMζ), which has recently been shown necessary and sufficient for the maintenance of long-term potentiation (LTP) (Ling et al., 2002). With this new knowledge and inhibitors to this system, as well as the ability to overexpress this system, we can start to directly modulate LTP and determine its influence on behavior as well as network level processing dependent at least in part due to this form of LTP. We will also briefly introduce the use of brain machine interface (BMI) paradigms to ask questions about sensorimotor plasticity and discuss current analysis techniques that may help in our understanding of neuroplasticity.
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