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Issue 2, 2018
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The effect of connectivity on information in neural networks

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Abstract

We present a mathematical model that quantifies the amount of information exchanged in bi-dimensional networks of nerve cells as a function of network connectivity Q. Upon varying Q over a significant range, we found that, from a certain cell density onwards, 90% of the maximal information transferred I(Q) in a random neuronal network is already reached with just 40% of the total possible connections Q among the cells. As a consequence, the system would not benefit from additional connections in terms of the amount of I(Q), in agreement with the tendency of brains to minimize Q because of its energetic costs. The model may reveal the circuits responsible for neurodegenerative disorders in that neurodegeneration can be regarded as a connective failure affecting information.

Graphical abstract: The effect of connectivity on information in neural networks

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Supplementary files

Publication details

The article was received on 03 Nov 2017, accepted on 14 Jan 2018 and first published on 17 Jan 2018


Article type: Paper
DOI: 10.1039/C7IB00190H
Citation: Integr. Biol., 2018,10, 121-127

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