Tailored ensembles of neural networks optimize sensitivity to stimulus 
statistics

Zierenberg, J; Wilting, J; Priesemann, V; Levina, A

doi:10.1103/PhysRevResearch.2.013115

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Tailored ensembles of neural networks optimize sensitivity to stimulus statistics

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Levina, A
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://journals.aps.org/prresearch/pdf/10.1103/PhysRevResearch.2.013115
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Zitation

Zierenberg, J., Wilting, J., Priesemann, V., & Levina, A. (2020). Tailored ensembles of neural networks optimize sensitivity to stimulus statistics. Physical Review Research, 2: 013115, pp. 1-9. doi:10.1103/PhysRevResearch.2.013115.

Zitierlink: https://hdl.handle.net/21.11116/0000-0004-B5DE-6

Zusammenfassung

The dynamic range of stimulus processing in living organisms is much larger than a single neural network can explain. For a generic, tunable spiking network we derive that while the dynamic range is maximal at criticality, the interval of discriminable intensities is very similar for any network tuning due to coalescence. Compensating coalescence enables adaptation of discriminable intervals. Thus, we can tailor an ensemble of networks optimized to the distribution of stimulus intensities, e.g., extending the dynamic range arbitrarily. We discuss potential applications in machine learning.