Temporal pairwise spike correlations fully capture single-neuron information

  • To crack the neural code and read out the information neural spikes convey, it is essential to understand how the information is coded and how much of it is available for decoding. To this end, it is indispensable to derive from first principles a minimal set of spike features containing the complete information content of a neuron. Here we present such a complete set of coding features. We show that temporal pairwise spike correlations fully determine the information conveyed by a single spiking neuron with finite temporal memory and stationary spike statistics. We reveal that interspike interval temporal correlations, which are often neglected, can significantly change the total information. Our findings provide a conceptual link between numerous disparate observations and recommend shifting the focus of future studies from addressing firing rates to addressing pairwise spike correlation functions as the primary determinants of neural information.

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Author:Amadeus Dettner, Sabrina Münzberg, Tatjana Tchumatchenko
Pubmed Id:https://pubmed.ncbi.nlm.nih.gov/27976717
Parent Title (English):Nature Communications
Publisher:Nature Publishing Group UK
Place of publication:[London]
Document Type:Article
Year of Completion:2016
Date of first Publication:2016/12/15
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2018/10/23
Tag:Neural encoding; Sensory processing
Issue:Art. 13805
Page Number:11
First Page:1
Last Page:11
Rights and permissions: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Institutes:Informatik und Mathematik / Mathematik
Angeschlossene und kooperierende Institutionen / MPI für Hirnforschung
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 57 Biowissenschaften; Biologie / 570 Biowissenschaften; Biologie
Licence (German):License LogoCreative Commons - Namensnennung 4.0