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- W4285060478 abstract "Under the concept of explainable artificial intelligence (XAI), this study explores the usage of shallow neural networks (SNN) to model and predict motor processes in the brain. Two main goals are considered: the suitability of independent component analysis (ICA) for data dimension reduction; and the capability of the SNN to have its underlying processes explained while retaining accurate predictions. Thirty subjects from the HCP Young Adult database are used. A traditional GLM-based data analysis is carried out aiming to establish a ground for comparison, besides founded neuroscientific knowledge. ICA is used for input data dimensionality reduction, which feeds an SNN with one hidden layer containing 10 nodes. Accuracies range from 67.5% to 92.5%, and precisions from 64.3% to 97.2%, per stimulus. The analysis of the weights yields independent components (ICs), i.e. inputs, that encompass motor areas. Even though the ICs’ spatial resolution is not optimal, the SNN predicts well above the chance level. The motor cortex-containing ICs, i.e. the main inputs, are in accordance with the founded neuroscientific knowledge and the GLM-based data analysis results, allowing for the interpretability of the SNN underlying processes." @default.
- W4285060478 created "2022-07-13" @default.
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- W4285060478 date "2022-01-01" @default.
- W4285060478 modified "2023-09-23" @default.
- W4285060478 title "Towards XAI: Interpretable Shallow Neural Network Used to Model HCP’s fMRI Motor Paradigm Data" @default.
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- W4285060478 doi "https://doi.org/10.1007/978-3-031-07802-6_22" @default.
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