Last modified by mhashemi on 2024/12/03 18:26
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... ... @@ -1,15 +1,22 @@ 1 -{{{Virtual Brain Models imply latent nonlinear state space models 2 -driven by noise and network input, necessitating advanced probabilistic 3 -machine learning techniques for widely applicable Bayesian estimation. 4 -Here we present Simulation-based Inference on Virtual Brain Models (SBI-VBMs), 5 -and demonstrate that training deep neural networks on both spatio-temporal and 6 -functional features allows for accurate estimation of generative parameters in brain disorders. 1 +(% style="text-align: justify;" %) 2 +{{{The integration of an individual’s brain imaging data in VBMs has improved patient-specific predictivity, although Bayesian 3 +estimation of spatially distributed parameters remains challenging even with state- 4 +of-the-art Monte Carlo sampling. VBMs imply latent nonlinear state space models 5 +driven by noise and network input, necessitating advanced probabilistic machine 6 +learning techniques for widely applicable Bayesian estimation. Here we present 7 +Simulation-based Inference on Virtual Brain Models (SBI-VBMs), and demonstrate 8 +that training deep neural networks on both spatio-temporal and functional fea- 9 +tures allows for accurate estimation of generative parameters in brain disorders. 10 +The systematic use of brain stimulation provides an effective remedy for the non- 11 +identifiability issue in estimating the degradation limited to smaller subset of con- 12 +nections. By prioritizing model structure over data, we show that the hierarchical 13 +structure in SBI-VBMs renders the inference more effective, precise and biologically 14 +plausible. This approach could broadly advance precision medicine by enabling fast 15 +and reliable prediction of patient-specific brain disorders. 7 7 17 +Code: 8 8 }}} 9 9 10 10 11 - 12 -Code: [[https:~~/~~/github.com/ins-amu/SBI-VBMs>>https://github.com/ins-amu/SBI-VBMs]] 13 - 14 14 (% style="text-align: justify;" %) 15 15 Ref: [[https:~~/~~/iopscience.iop.org/article/10.1088/2632-2153/ad6230>>https://iopscience.iop.org/article/10.1088/2632-2153/ad6230]]