The expert's knowledge combined with AI outperforms AI alone in seizure onset zone localization using resting state fMRI

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  • Kamboj P.
    • Other Affiliation: Arizona State University
  • Banerjee A.
    • Other Affiliation: Arizona State University
  • Boerwinkle V.L.
    • Affiliation: School of Medicine, Department of Neurology
  • Gupta S.K.S.
    • Other Affiliation: Arizona State University
Abstract
  • We evaluated whether integration of expert guidance on seizure onset zone (SOZ) identification from resting state functional MRI (rs-fMRI) connectomics combined with deep learning (DL) techniques enhances the SOZ delineation in patients with refractory epilepsy (RE), compared to utilizing DL alone. Rs-fMRI was collected from 52 children with RE who had subsequently undergone ic-EEG and then, if indicated, surgery for seizure control (n = 25). The resting state functional connectomics data were previously independently classified by two expert epileptologists, as indicative of measurement noise, typical resting state network connectivity, or SOZ. An expert knowledge integrated deep network was trained on functional connectomics data to identify SOZ. Expert knowledge integrated with DL showed a SOZ localization accuracy of 84.8 ± 4.5% and F1 score, harmonic mean of positive predictive value and sensitivity, of 91.7 ± 2.6%. Conversely, a DL only model yielded an accuracy of <50% (F1 score 63%). Activations that initiate in gray matter, extend through white matter, and end in vascular regions are seen as the most discriminative expert-identified SOZ characteristics. Integration of expert knowledge of functional connectomics can not only enhance the performance of DL in localizing SOZ in RE but also lead toward potentially useful explanations of prevalent co-activation patterns in SOZ. RE with surgical outcomes and preoperative rs-fMRI studies can yield expert knowledge most salient for SOZ identification.
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  • Article
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  • In Copyright
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  • Attribution 4.0 International
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  • Frontiers in Neurology
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  • 14
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  • English
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  • 1664-2295
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  • Frontiers Media SA

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