Modeling Temporal Lobe Epilepsy during Music Large-Scale Form Perception using the Impulse Pattern Formulation (IPF) Brain Mode
Abstract
Musical large-scale form is investigated using an Electronic Dance Music (EDM) piece fed into a Finite-Difference Time Domain (FDTD) physical model of the cochlear which again inputs into an Impulse-Pattern Formulation (IPF) brain model. In previous studies, experimental EEG data showed an enhanced correlation between brain synchronization and the musical piece's amplitude and fractal correlation dimension in good agreement with a FitzHugh-Nagumo oscillator modelSawicki2022. Still, this model cannot display temporal developments of large-scale forms. The IPF Brain model also shows a high correlation between cochlear input and brain synchronization at the gamma band range around 50 Hz, but also a strong negative correlation for low frequencies, associated with musical rhythm, during time frames of low cochlear input amplitude. Such high synchronization corresponds to temporal lobe epilepsy, often associated with creativity or spirituality. Therefore, the IPF Brain model suggests those conscious states to happen in times of low external input at low frequencies where isochronous musical rhythms are present.
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