Neurochemical Oscillations in the Basal Ganglia

Noori, HR; Jäger, W

doi:10.1007/s11538-009-9441-7

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Neurochemical Oscillations in the Basal Ganglia

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引用

Noori, H., & Jäger, W. (2010). Neurochemical Oscillations in the Basal Ganglia. Bulletin of mathematical biology, 72(1), 133-147. doi:10.1007/s11538-009-9441-7.

引用: https://hdl.handle.net/21.11116/0000-0002-7E24-9

要旨

This work represents an attempt to elucidate the neurochemical processes in the basal ganglia by mathematical modelling. The correlation between neurochemistry and electrophysiology has been used to construct a dynamical system based on the basal ganglia’s network structure. Mathematical models were constructed for different physical scales to reformulate the neurochemical and electrophysiological behaviour from synapses up to multi-compartment systems. Transformation functions have been developed to transit between the different scales. We show through numerical simulations that this network produces oscillations in the electrical potentials as well as in neurotransmitter concentrations. In agreement with pharmacological experiments, a parameter sensitivity analysis reveals temporary changes in the neurochemical and electrophysiological systems after single exposure to antipsychotic drugs. This behaviour states the structural stability of the system. The correlation between the neurochemical dynamics and drug-induced behaviour provides the perspective for novel neurobiological hypotheses.