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Research questionHow can parameter sweeps of spatial FitzHugh–Nagumo dynamics be accelerated without losing excitable or oscillatory behavior?Finite-difference simulation makes repeated exploration of physiological FitzHugh–Nagumo parameters costly. Approximation errors are especially consequential when they alter firing thresholds, traveling pulses, or rhythmic spiking behavior.
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Latest papersRecent research connected to this question, newest first.Fast Surrogate Modeling of Excitable and Oscillatory FitzHugh-Nagumo Dynamics with Parametric Neural OperatorsThe evidence concerns parameter-conditioned Fourier neural operator surrogates for voltage and recovery fields, with separate operators for oscillatory and excitable regimes. Reported results include comparisons with finite-difference solvers, parameter-space generalization, limited extrapolation, firing thresholds, conduction velocity, and traveling-pulse reproduction; no broader neural or biophysical systems are evaluated.research paper · Sep 3, 2026
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