Placing meta-stable states of consciousness within the predictive coding hierarchy: The deceleration of the accelerated prediction error.
Amirali Shirazibeheshti, J. Cooke, S. Chennu, R. Adapa, D. K. Menon, S. A. Hojjatoleslami, A. Witon, Ling Li, T. Bekinschtein, H. Bowman
Consciousness and Cognition July 10, 2018 DOI: 10.1016/j.concog.2018.06.010 (opens in new tab) via Semantic Scholar
Summary
AI-generated from the abstractA multi-level oddball task reveals that local and global prediction-error responses interact, challenging the view that the global effect reflects a distinct processing mode beyond predictive coding. Sedation modulates this interaction, suggesting conscious awareness may not be confined solely to the global processing level.
Study at a glance
| Characteristics | Experimental study Peer reviewed |
|---|---|
| Population | Participants |
| Intervention | sedation |
| Keywords | Medicine Psychology |
| Key finding | Local and global prediction-error responses interact, and sedation modulates this interaction, indicating that conscious awareness may not be restricted to a single processing level. |
Abstract
While many studies have linked prediction errors and event related potentials at a single processing level, few consider how these responses interact across levels. In response, we present a factorial analysis of a multi-level oddball task - the local-global task - and we explore it when participants are sedated versus recovered. We found that the local and global levels in fact interact. This is of considerable current interest, since it has recently been argued that the MEEG response evoked by the global effect corresponds to a distinct processing mode that moves beyond predictive coding. This interaction suggests that the two processing modes are not distinct. Additionally, we observed that sedation modulates this interaction, suggesting that conscious awareness may not be completely restricted to a single (global) processing level.