期刊
COGNITIVE NEURODYNAMICS
卷 12, 期 3, 页码 343-349出版社
SPRINGER
DOI: 10.1007/s11571-018-9475-3
关键词
Sine-Wiener noise; FitzHugh-Nagumo neuron; Signal detection
资金
- National Natural Science Foundation of China [31601071]
Based on the FitzHugh-Nagumo (FHN) neuron model subjected to sine-Wiener (SW) noise, impacts of SW noise on weak periodic signal detection are investigated by calculating response measure Q for characterizing synchronization between the input signal and the output temporal activities of the neuron. It is numerically demonstrated that the response measure Q can achieve the optimal value under appropriate and moderate intensity or correlation time of SW noise, suggesting the occurrence of SW-noise-induced stochastic resonance. Furthermore, the optimal value of Q is sensitive to correlation time. Consequently, the correlation time of SW noise has a great influence on the performance of signal detection in the FHN neuron.
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