Journal of Computational Neuroscience

, Volume 40, Issue 3, pp 317–329

Slow feature analysis with spiking neurons and its application to audio stimuli

  • Guillaume Bellec
  • Mathieu Galtier
  • Romain Brette
  • Pierre Yger
Article

DOI: 10.1007/s10827-016-0599-3

Cite this article as:
Bellec, G., Galtier, M., Brette, R. et al. J Comput Neurosci (2016) 40: 317. doi:10.1007/s10827-016-0599-3

Abstract

Extracting invariant features in an unsupervised manner is crucial to perform complex computation such as object recognition, analyzing music or understanding speech. While various algorithms have been proposed to perform such a task, Slow Feature Analysis (SFA) uses time as a means of detecting those invariants, extracting the slowly time-varying components in the input signals. In this work, we address the question of how such an algorithm can be implemented by neurons, and apply it in the context of audio stimuli. We propose a projected gradient implementation of SFA that can be adapted to a Hebbian like learning rule dealing with biologically plausible neuron models. Furthermore, we show that a Spike-Timing Dependent Plasticity learning rule, shaped as a smoothed second derivative, implements SFA for spiking neurons. The theory is supported by numerical simulations, and to illustrate a simple use of SFA, we have applied it to auditory signals. We show that a single SFA neuron can learn to extract the tempo in sound recordings.

Keywords

unsupervised learning plasticity slow feature analysis 

Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Guillaume Bellec
    • 1
    • 2
    • 3
  • Mathieu Galtier
    • 5
  • Romain Brette
    • 1
    • 2
    • 3
  • Pierre Yger
    • 1
    • 2
    • 3
    • 4
  1. 1.Institut de la Vision, Sorbonne Université, UPMC Univ Paris06 UMRS968ParisFrance
  2. 2.INSERMParisFrance
  3. 3.CNRSParisFrance
  4. 4.Institut d’Etudes de la CognitionENSParisFrance
  5. 5.European Institute for Theoretical Neuroscience CNRS UNIC UPR-3293ParisFrance

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