Three cooperative mechanisms required for recovery after brain damage.

Abstract:

:Stroke is one of the main causes of human disabilities. Experimental observations indicate that several mechanisms are activated during the recovery of functional activity after a stroke. Here we unveil how the brain recovers by explaining the role played by three mechanisms: Plastic adaptation, hyperexcitability and synaptogenesis. We consider two different damages in a neural network: A diffuse damage that simply causes the reduction of the effective system size and a localized damage, a stroke, that strongly alters the spontaneous activity of the system. Recovery mechanisms observed experimentally are implemented both separately and in a combined way. Interestingly, each mechanism contributes to the recovery to a limited extent. Only the combined application of all three together is able to recover the spontaneous activity of the undamaged system. This explains why the brain triggers independent mechanisms, whose cooperation is the fundamental ingredient for the system's recovery.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Berger D,Varriale E,van Kessenich LM,Herrmann HJ,de Arcangelis L

doi

10.1038/s41598-019-50946-y

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

15858

issue

1

issn

2045-2322

pii

10.1038/s41598-019-50946-y

journal_volume

9

pub_type

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