用AI数字孪生模型快速预测神经突变性退化,助力自闭症等脑病研究。
High-throughput digital twin framework for predicting neurite deterioration using MetaFormer attention
- 基于IGA相场模型生成仿真数据,模拟神经突退化多种模式。
- MetaFormer模型预测误差仅1.96%(仿真)和6.03%(实验)。
- 适合神经科学与生物医药领域研究者快速筛选实验方向。
神经发育障碍(NDDs)包括自闭症谱系障碍、注意力缺陷多动障碍和癫痫等,影响中枢与外周神经系统。其高共病性和复杂病因给精准诊断与有效治疗带来挑战。传统临床与实验研究耗时长,制约科研进展。本文提出一种高通量数字孪生框架,用于建模与预测与NDD相关的神经突退化。该框架融合合成数据生成、实验图像与机器学习(ML)模型。合成数据生成器采用基于等几何分析(IGA)的相场模型,可捕捉神经突回缩、萎缩与断裂等多种退化模式,缓解实验数据稀缺问题。ML模型采用基于MetaFormer的门控时空注意力架构,具备深层时间结构,实现快速预测。框架在合成与实验数据上的平均预测误差分别为1.9641%和6.0339%,有效捕捉长期时间依赖与复杂形态变化。通过无缝整合仿真、实验与模型,该数字孪生框架可预判实验结果,指导研究决策,显著降低研发成本并节省时间。它有助于深化对神经突退化的理解,为探索复杂神经机制提供可扩展解决方案,推动靶向治疗发展。
原文摘要 · Abstract (English)
Neurodevelopmental disorders (NDDs) cover a variety of conditions, including autism spectrum disorder, attention-deficit/hyperactivity disorder, and epilepsy, which impair the central and peripheral nervous systems. Their high comorbidity and complex etiologies present significant challenges for accurate diagnosis and effective treatments. Conventional clinical and experimental studies are time-intensive, burdening research progress considerably. This paper introduces a high-throughput digital twin framework for modeling neurite deteriorations associated with NDDs, integrating synthetic data generation, experimental images, and machine learning (ML) models. The synthetic data generator utilizes an isogeometric analysis (IGA)-based phase field model to capture diverse neurite deterioration patterns such as neurite retraction, atrophy, and fragmentation while mitigating the limitations of scarce experimental data. The ML model utilizes MetaFormer-based gated spatiotemporal attention architecture with deep temporal layers and provides fast predictions. The framework effectively captures long-range temporal dependencies and intricate morphological transformations with average errors of 1.9641% and 6.0339% for synthetic and experimental neurite deterioration, respectively. Seamlessly integrating simulations, experiments, and ML, the digital twin framework can guide researchers to make informed experimental decisions by predicting potential experimental outcomes, significantly reducing costs and saving valuable time. It can also advance our understanding of neurite deterioration and provide a scalable solution for exploring complex neurological mechanisms, contributing to the development of targeted treatments.
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