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What Is Neural Plasticity?

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The Plastic Brain

Abstract

“Neural plasticity” refers to the capacity of the nervous system to modify itself, functionally and structurally, in response to experience and injury. As the various chapters in this volume show, plasticity is a key component of neural development and normal functioning of the nervous system, as well as a response to the changing environment, aging, or pathological insult. This chapter discusses how plasticity is necessary not only for neural networks to acquire new functional properties, but also for them to remain robust and stable. The article also reviews the seminal proposals developed over the years that have driven experiments and strongly influenced concepts of neural plasticity.

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Abbreviations

AMPAR:

α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor

CaMKII:

Ca2+/calmodulin-dependent Kinase II

CREB:

3′, 5′-cyclic adenosine monophosphate (cAMP) responsive element binding protein

ECM:

Extracellular matrix

LTD:

Long-term depression

LTP:

Long-term potentiation

NMDA:

N-methyl-D-aspartate

NMDAR:

N-methyl-D-aspartate receptor

PSD:

Postsynaptic density

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Acknowledgment

Grants Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT) # 1171434 (JE) and 1171645 (RvB), DICYT-USACH (JE).

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Correspondence to Rommy von Bernhardi MD, PhD or Jaime Eugenín MD, PhD .

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von Bernhardi, R., Bernhardi, L.Ev., Eugenín, J. (2017). What Is Neural Plasticity?. In: von Bernhardi, R., Eugenín, J., Muller, K. (eds) The Plastic Brain. Advances in Experimental Medicine and Biology, vol 1015. Springer, Cham. https://doi.org/10.1007/978-3-319-62817-2_1

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