Disentangling predictive processing in the brain: a meta-analytic study in favour of a predictive network
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10 août 2021
- handle: 10670/1.840z3a
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article ScholarlyArticle ddc:150 ddc:610 Neuroscience PsychologyCiter ce document
Linda Ficco et al., « Disentangling predictive processing in the brain: a meta-analytic study in favour of a predictive network », Digitale Bibliothek Thüringen, ID : 10670/1.840z3a
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According to the predictive coding (PC) theory, the brain is constantly engaged in predicting its upcoming states and refining these predictions through error signals. Despite extensive research investigating the neural bases of this theory, to date no previous study has systematically attempted to define the neural mechanisms of predictive coding across studies and sensory channels, focussing on functional connectivity. In this study, we employ a coordinate-based meta-analytical approach to address this issue. We first use the Activation Likelihood Estimation (ALE) algorithm to detect spatial convergence across studies, related to prediction error and encoding. Overall, our ALE results suggest the ultimate role of the left inferior frontal gyrus and left insula in both processes. Moreover, we employ a meta-analytic connectivity method (Seed-Voxel Correlations Consensus). This technique reveals a large, bilateral predictive network , which resembles large-scale networks involved in task-driven attention and execution. In sum, we find that: (i) predictive processing seems to occur more in certain brain regions than others, when considering different sensory modalities at a time; (ii) there is no evidence, at the network level, for a distinction between error and prediction processing.