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Multi-electrode Array Recordings of Neuronal Avalanches in Organotypic Cultures
Published on: August 1, 2011
Phase-disorder-induced double resonance of neuronal activity
Xiaoming Liang1, Mukeshwar Dhamala, Liang Zhao
1Department of Physics, Institute of Theoretical Physics, East China Normal University, Shanghai 200062, China.
Abstract:
It is well known that resonance can be induced by external noise or diversity. Here we show that resonance can be induced even by a phase disorder in coupled excitable neurons with subthreshold activity. In contrast to the case of identical phase, we find that phase disorder plays an active role in enhancing neuronal activity. We also uncover that the presence of phase disorder can induce a double resonance phenomenon: phase disorder and coupling strength both can enhance neuronal firing activity. A physical theory is formulated to help understand the mechanism behind this double resonance phenomenon.
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