音乐大尺度形式感知过程中颞叶癫痫的脉冲模式公式（IPF）脑模型建模研究
Modeling Temporal Lobe Epilepsy during Music Large-Scale Form Perception using the Impulse Pattern Formulation (IPF) Brain Mode
AI总结：
本研究构建IPF脑模型探究音乐大尺度形式感知，发现其能呈现颞叶癫痫相关的高同步脑活动，对应低外部输入、等时节奏的低频时段，弥补了既往模型无法展现大尺度形式时间演化的不足。
摘要：
本研究将一首电子舞曲（EDM）输入耳蜗的时域有限差分（FDTD）物理模型，再将其输出输入脉冲模式公式（IPF）脑模型，以此探究音乐的大尺度形式。既往研究中，实验脑电图数据显示，大脑同步性与音乐作品的振幅及分形关联维数之间存在增强的相关性，这与FitzHugh-Nagumo振子模型高度吻合\uc017。但该模型无法呈现大尺度形式的时间演化过程。IPF脑模型同样显示，在约50Hz的伽马频段，耳蜗输入与大脑同步性之间存在高相关性；而在耳蜗输入振幅较低的时间帧内，与音乐节奏相关的低频信号则呈现强负相关。这种高同步性对应颞叶癫痫，该病症常与创造力或灵性体验相关。因此，IPF脑模型表明，此类意识状态发生在低频段外部输入较低、且存在等时音乐节奏的时段。
英文摘要：
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 model\cite{Sawicki2022}. 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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