Abstract
Alzheimer’s disease (AD) is a neurodegenerative disorder that is beginning with amyloidosis, followed by neuronal loss and deterioration in structure, function, and cognition. The accumulation of amyloid-\(\beta \) in the brain, measured through 18F-florbetapir (AV45) positron emission tomography (PET) imaging, has been widely used for early diagnosis of AD. However, the relationship between amyloid-\(\beta \) accumulation and AD pathophysiology remains unclear, and causal inference approaches are needed to uncover how amyloid-\(\beta \) levels can impact AD development. In this paper, we propose a Graph-VCNet for estimating the individual treatment effect with continuous treatment levels using a graph convolutional neural network. We highlight the potential of causal inference approaches, including Graph-VCNet, for measuring the regional causal connections between amyloid-\(\beta \) accumulation and AD pathophysiology, which may serve as a robust tool for early diagnosis and tailored care.
H. Dai—Contributed equally to this paper.
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Dai, H. et al. (2023). Graph-Based Counterfactual Causal Inference Modeling for Neuroimaging Analysis. In: Woo, J., et al. Medical Image Computing and Computer Assisted Intervention – MICCAI 2023 Workshops. MICCAI 2023. Lecture Notes in Computer Science, vol 14394. Springer, Cham. https://doi.org/10.1007/978-3-031-47425-5_19
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