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Personalized Modeling of Alzheimer's Disease Progression Estimates Neurodegeneration Severity from EEG Recordings.

Alzheimer's & dementia (Amsterdam, Netherlands)(2024)

St Anna Sch Adv Studies | IRCSS Fdn Don Carlo Gnocchi | Univ Pisa | Careggi Univ Hosp

Cited 0|Views22
Abstract
INTRODUCTION: Early identification of Alzheimer's disease (AD) is necessary for a timely onset of therapeutic care. However, cortical structural alterations associated with AD are difficult to discern. METHODS: We developed a cortical model of AD-related neurodegeneration accounting for slowing of local dynamics and global connectivity degradation. In a monocentric study we collected electroencephalography (EEG) recordings at rest from participants in healthy (HC, n = 17), subjective cognitive decline (SCD, n = 58), and mild cognitive impairment (MCI, n = 44) conditions. For each patient, we estimated neurodegeneration model parameters based on individual EEG recordings. RESULTS: Our model outperformed standard EEG analysis not only in discriminating between HC and MCI conditions (F1 score 0.95 vs 0.75) but also in identifying SCD patients with biological hallmarks of AD in the cerebrospinal fluid (recall 0.87 vs 0.50). DISCUSSION: Personalized models could (1) support classification of MCI, (2) assess the presence of AD pathology, and (3) estimate the risk of cognitive decline progression, based only on economical and non-invasive EEG recordings.
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Alzheimer's disease,Computational models,Computational neuroscience,EEG,Novel Biomarkers
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要点】:该论文提出了一种个性化的阿尔茨海默病(AD)进展模型,利用脑电图(EEG)记录估计神经退行性变的严重程度,提高了对AD病理的识别和认知下降风险的评估。

方法】:研究开发了一种结合局部动态减慢和全局连接退化的皮质AD相关神经退行模型,利用参与者在静息状态下的EEG记录对每个患者的神经退行模型参数进行估计。

实验】:在一项单中心研究中,研究者收集了健康对照(HC)组17人、主观认知下降(SCD)组58人和轻度认知障碍(MCI)组44人的EEG记录。结果表明,该模型在区分HC和MCI条件(F1分数0.95对比0.75)以及识别具有AD生物学标志的SCD患者(召回率0.87对比0.50)方面优于标准的EEG分析方法。