mlsanityData to 7 Oct 2026

Data-Efficient Brain Connectome Analysis via Multi-Task Meta-Learning

arXiv 2206.04486 ↗First posted 9 Jun 2022cs.LG q-bio.NCcited by 15

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Abstract (arXiv)

Brain networks characterize complex connectivities among brain regions as graph structures, which provide a powerful means to study brain connectomes. In recent years, graph neural networks have emerged as a prevalent paradigm of learning with structured data. However, most brain network datasets are limited in sample sizes due to the relatively high cost of data acquisition, which hinders the deep learning models from sufficient training. Inspired by meta-learning that learns new concepts fast with limited training examples, this paper studies data-efficient training strategies for analyzing brain connectomes in a cross-dataset setting. Specifically, we propose to meta-train the model on datasets of large sample sizes and transfer the knowledge to small datasets. In addition, we also explore two brain-network-oriented designs, including atlas transformation and adaptive task reweighing. Compared to other pre-training strategies, our meta-learning-based approach achieves higher and stabler performance, which demonstrates the effectiveness of our proposed solutions. The framework is also able to derive new insights regarding the similarities among datasets and diseases in a data-driven fashion.

Key facts. Cited by 15 papers in the map (data through 7 Oct 2026). Builds on 23 of its 41 references that are in the map. First posted on arXiv 9 Jun 2022.

Builds on

23 of 41 references.

References · 23

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11 more
  1. 2020Transfer Learning of Graph Neural Networks with Ego-graph Information Maximizationcited by 93
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Citing papers per year: 2022: 4; 2023: 4; 2024: 4; 2025: 3.

15 papers.

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