A study on dynamics and multiscale complexity of a neuro system

Sanjay K. Palit and Sayan Mukherjee

Chaos, Solitons & Fractals, 2021, vol. 145, issue C

Abstract: We explore the chaotic dynamics and complexity of a neuro-system with respect to variable synaptic weights in both noise free and noisy conditions. The chaotic dynamics of the system is investigated by bifurcation analysis and 0−1 test. A multiscale complexity of the system is proposed based on the notion of recurrence plot density entropy. Numerical results support the proposed analysis. Impact of music on the aforesaid neuro-system has also been studied. The analysis shows that inclusion of white noise even with a minimal strength makes the neuro dynamics more complex, where as music signal keeps the dynamics almost similar to that of the original system. This is properly interpreted by the proposed multiscale complexity measure.

Keywords: Neuro dynamics; Power noise; 0−1 test; Recurrence plot; Music signal (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:145:y:2021:i:c:s0960077921000904

DOI: 10.1016/j.chaos.2021.110737

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