Redefining the Role of Limbic Areas in Cortical Processing.
Lorena Chanes, Lisa Feldman Barrett
Trends in Cognitive Sciences February 2016 DOI: 10.1016/j.tics.2015.11.005 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Theoretical or philosophical paper Peer reviewed |
|---|---|
| Keywords | Active inference Consciousness Cortical processing Intrinsic networks Limbic cortices Predictive coding Structural model |
| Key points | Proposes that 'feedback' projections from simply laminated limbic cortices to better-laminated lower-level areas function as predictions driving processing across the cerebral cortex, offering a unifying framework for predictive-coding accounts of neural processes and disorders and implications for hypotheses about consciousness. |
Abstract
There is increasing evidence that the brain actively constructs action and perception using past experience. In this paper, we propose that the direction of information flow along gradients of laminar differentiation provides important insight on the role of limbic cortices in cortical processing. Cortical limbic areas, with a simple laminar structure (e.g., no or rudimentary layer IV), send 'feedback' projections to lower level better laminated areas. We propose that this 'feedback' functions as predictions that drive processing throughout the cerebral cortex. This hypothesis has the potential to provide a unifying framework for an increasing number of proposals that use predictive coding to explain a myriad of neural processes and disorders, and has important implications for hypotheses about consciousness.
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Cites 4
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