Synchronization and Spindle Oscillation in Noisy Integrate-and-Fire-or-Burst Neurons with Inhibitory Coupling
Year: 2005
Type: article
Abstract: We propose a new integrate-and-fire model as a single neuron model. We study a globally coupled noisy integrate-and-fire model with inhibitory interactions using the Fokker-Planck equation and the Langevin equation, and find a reentrant transition of oscillatory states. Intermittent time evolution of neuron firing is found in strongly inhibited systems. We also propose an integrate-and-fire-or-burst model including the dynamics of the low-threshold Ca2+ current based on the new integrate-and-fire model. We study a globally coupled noisy integrate-and-fire-or-burst model with an inhibitory interaction using the Fokker-Planck equation and find bistability of the tonic mode and the burst mode. Doubly periodic oscillation appears in a coupled system consisting of two neuron assemblies. This oscillation is similar to the spindle oscillation seen in thalamic cells.
Source: Progress of Theoretical Physics
DOI: 10.1143/ptp.114.539
Authors: H. Sakaguchi, S. Tobiishi
Institution: Kyushu University
Language: English
Subfield: Cognitive Neuroscience
Field: Neuroscience
Domain: Life Sciences
Open Access status: bronze
OpenAlex ID: W2151964305