About: Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech

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type	http://eprints.org/ontology/ArticleEPrint http://eprints.org/ontology/EPrint Article Academic Article
seeAlso	HTML Summary of #85600 Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech
sameAs	Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech
http://eprints.org/ontology/hasDocument	Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (PDF) Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (Other) Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (Other) Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (Other) Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (Other) Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (Other)
http://eprints.org/ontology/hasPublished	Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (PDF)
dc:hasVersion	Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech (PDF)
Title	Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech
described by	https://demo.openlinksw.com/about/id/entity/https/www.cs.kent.ac.uk/people/staff/akj22/materials/CO644/export_kar_RDFN3.n3 https://demo.openlinksw.com/about/id/entity/https/raw.githubusercontent.com/annajordanous/CO644Files/main/export_kar_RDFN3.n3
Date	2020-10-25
Creator	Damian Cruse Rodika Sokoliuk Conor J. Wild Leah Banellis Howard Bowman
status	peer reviewed published
Publisher	Oxford University Press
abstract	Comprehension of degraded speech requires higher-order expectations informed by prior knowledge. Accurate top-down expectations of incoming degraded speech cause a subjective semantic ‘pop-out’ or conscious breakthrough experience. Indeed, the same stimulus can be perceived as meaningless when no expectations are made in advance. We investigated the event-related potential (ERP) correlates of these top-down expectations, their error signals and the subjective pop-out experience in healthy participants. We manipulated expectations in a word-pair priming degraded (noise-vocoded) speech task and investigated the role of top-down expectation with a between-groups attention manipulation. Consistent with the role of expectations in comprehension, repetition priming significantly enhanced perceptual intelligibility of the noisevocoded degraded targets for attentive participants. An early ERP was larger for mismatched (i.e. unexpected) targets than matched targets, indicative of an initial error signal not reliant on top-down expectations. Subsequently, a P3a-like ERP was larger to matched targets than mismatched targets only for attending participants—i.e. a pop-out effect—while a later ERP was larger for mismatched targets and did not significantly interact with attention. Rather than relying on complex post hoc interactions between prediction error and precision to explain this apredictive pattern, we consider our data to be consistent with prediction error minimization accounts for early stages of processing followed by Global Neuronal Workspace-like breakthrough and processing in service of task goals.
Is Part Of	Neuroscience of Consciousness https://kar.kent.ac.uk/id/repository
Subject	RC321 Neuroscience. Biological psychiatry. Neuropsychiatry
list of authors	https://kar.kent.ac.uk/id/eprint/85600#authors
issue	1
volume	2020
is topic of	https://www.cs.kent.ac.uk/people/staff/akj22/materials/CO644/export_kar_RDFN3.n3 https://raw.githubusercontent.com/annajordanous/CO644Files/main/export_kar_RDFN3.n3
is primary topic of	HTML Summary of #85600 Event-related potentials reflect prediction errors and pop-out during comprehension of degraded speech

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