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Plos Biology : Spatial Learning Depends on Both the Addition and Removal of New Hippocampal Neurons, Volume 5

By Moser, Edvard

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Book Id: WPLBN0003927106
Format Type: PDF eBook :
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Reproduction Date: 2015

Title: Plos Biology : Spatial Learning Depends on Both the Addition and Removal of New Hippocampal Neurons, Volume 5  
Author: Moser, Edvard
Volume: Volume 5
Language: English
Subject: Journals, Science, Biology
Collections: Periodicals: Journal and Magazine Collection (Contemporary), PLoS Biology
Historic
Publication Date:
Publisher: Plos

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Moser, E. (n.d.). Plos Biology : Spatial Learning Depends on Both the Addition and Removal of New Hippocampal Neurons, Volume 5. Retrieved from http://netlibrary.net/


Description
Description : The role of adult hippocampal neurogenesis in spatial learning remains a matter of debate. Here, we show that spatial learning modifies neurogenesis by inducing a cascade of events that resembles the selective stabilization process characterizing development. Learning promotes survival of relatively mature neurons, apoptosis of more immature cells, and finally, proliferation of neural precursors. These are three interrelated events mediating learning. Thus, blocking apoptosis impairs memory and inhibits learning-induced cell survival and cell proliferation. In conclusion, during learning, similar to the selective stabilization process, neuronal networks are sculpted by a tightly regulated selection and suppression of different populations of newly born neurons.

 

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