Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Volume 25, Issue 32, Pages 4499-4512Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979211059176
Keywords
Synchronization; coherence; neuron; noise
Funding
- National Natural Science Foundation of China [10872014]
- Beijing Natural Science Foundation Program [2083027]
- Beijing Novel Program [2006B59]
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We investigate synchronization of bursting neurons, caused by spatially correlated noise, consisting of a common Guassian noise and a local one. It is found that the degree of noise-induced synchronization between identical neurons increases with both the noise intensity and noise correlation. As for non-identical neurons, it is demonstrated that the degree of phase synchronization decreases monotonously with the noise intensity for partially correlated noise, but the degree undergoes a minimum with the common noise intensity increasing. An interpretation is provided for the noise-induced synchronization between identical neurons by investigating noise-modulated spike train pattern in a single neuron. In addition, the coherence of spike train is minimized at some noise intensities.
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