Correlation and Synchrony Transfer in Integrate-and-Fire Neurons: Basic Properties and Consequences for Coding
Open accessAbstract
We study how pairs of neurons transfer correlated input currents into correlated spikes. Over rapid time scales, correlation transfer increases with both spike time variability and rate; the dependence on variability disappears at large time scales. This persists for a nonlinear membrane model and for heterogeneous cell pairs, but strong nonmonotonicities follow from refractory effects. We present consequences for population coding and for the encoding of time-varying stimuli.
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Synaptic fluctuations decrease pairwise correlations in output from neurons with shared inputs.
“In addition to regulating gain at the level of individual cells, synaptic fluctuations also decrease pairwise correlations in output from neurons with shared inputs85–88.”
From Mechanisms underlying gain modulation in the cortex (2020) · cites this paper as [87]
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Self-citation
- Authors
- Shea-Brown, E., Josić, K., de la Rocha, J., & Doiron, B.
- Affiliations
- Courant Institute of Mathematical Sciences (US)
- ORCID
- Doiron, Brent
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2008-03-11
- Volume
- 100
- Issue
- 10
- Pages
- 108102-108102
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2026131545
- Cited by
- 131
- References
- 37
- Citations by year
- 2025: 3 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 2 · 2020: 5 · 2019: 7 · 2018: 9 · 2017: 8 · 2016: 15 · 2015: 10 · 2014: 12 · 2013: 7 · 2012: 10
- FWCI
- 6.03
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › stochastic dynamics and bifurcation
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
- Keywords
- integrate-and-fire neurons, spike synchronization, population coding, neural coding
- MeSH terms
- Action Potentials, Animals, Cerebral Cortex, Cortical Synchronization, Models, Neurological, Neurons, Mice
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