Phys. Rev. E 59, 5920–5927 (1999)Noise and periodic modulations in neural excitable mediaReceived 23 June 1997; revised 29 December 1997; published in the issue dated May 1999 We have analyzed the interplay between noise and periodic modulations in a mean field model of a neural excitable medium. For this purpose, we have considered two types of modulations, namely, variations of the resistance and oscillations of the threshold. In both cases, stochastic resonance is present, irrespective of whether the system is monostable or bistable. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.59.5920
DOI:
10.1103/PhysRevE.59.5920
PACS:
87.19.La, 05.40.-a
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