2010 Special Issue: Complexity distribution as a measure for assembly size and temporal precision

  • Authors:
  • Sebastien Louis;Christian Borgelt;Sonja Grün

  • Affiliations:
  • RIKEN Brain Science Institute, Wako-Shi, Japan;European Centre for Soft Computing, Mieres, Asturias, Spain;RIKEN Brain Science Institute, Wako-Shi, Japan

  • Venue:
  • Neural Networks
  • Year:
  • 2010

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Abstract

The efficient detection of higher-order synchronization in massively parallel data is of great importance in understanding computational processes in the cortex and represents a significant statistical challenge. To overcome the combinatorial explosion of different spike patterns taking place as the number of neurons increases, a method based on population measures would prove very useful. Following previous work in this direction, we examine the distribution of spike counts across neurons per time bin ('complexity distribution') and devise a method to reliably extract the size and temporal precision of synchronous groups of neurons, even in the presence of strong rate covariations.