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Astrocyte as Spatiotemporal Integrating Detector of Neuronal Activity.


ABSTRACT: The functional role of astrocyte calcium signaling in brain information processing was intensely debated in recent decades. This interest was motivated by high resolution imaging techniques showing highly developed structure of distal astrocyte processes. Another point was the evidence of bi-directional astrocytic regulation of neuronal activity. To analyze the effects of interplay of calcium signals in processes and in soma mediating correlations between local signals and the cell-level response of the astrocyte we proposed spatially extended model of the astrocyte calcium dynamics. Specifically, we investigated how spatiotemporal properties of Ca2+ dynamics in spatially extended astrocyte model can coordinate (e.g., synchronize) networks of neurons and synapses.

SUBMITTER: Gordleeva SY 

PROVIDER: S-EPMC6482266 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Astrocyte as Spatiotemporal Integrating Detector of Neuronal Activity.

Gordleeva Susan Yu SY   Ermolaeva Anastasia V AV   Kastalskiy Innokentiy A IA   Kazantsev Victor B VB  

Frontiers in physiology 20190418


The functional role of astrocyte calcium signaling in brain information processing was intensely debated in recent decades. This interest was motivated by high resolution imaging techniques showing highly developed structure of distal astrocyte processes. Another point was the evidence of bi-directional astrocytic regulation of neuronal activity. To analyze the effects of interplay of calcium signals in processes and in soma mediating correlations between local signals and the cell-level respons  ...[more]

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