Exploring*Oscillatory*Signatures*of*Prediction*and*Prediction*Error*in* Language*Processing*
dc.contributor.advisor | Bekkering, Harold | |
dc.contributor.advisor | Bultena, Sybrine | |
dc.contributor.author | Slivac, Ksenija | |
dc.date.issued | 2016-08-01 | |
dc.description.abstract | Language!comprehension!is!a!quick!and!dynamic!process.!The!predictive!coding! theory! suggests! that! we! regularly! make! use! of! contextual! clues! in! order! to! predict! the! upcoming! content.! In! this! study,! we! have! used! magnetoencephalography!(MEG)!to!investigate!oscillatory!changes!connected!to! predictions! and! prediction! errors! in! discourse! comprehension.! While! participants!read!short,!semantically!manipulated!stories,!we!measured!beta!and! gamma!oscillatory!powers!as!respective!indicators!of!adaptation!and!prediction! strengthening!throughout! the! stories,!and!the!oneQoff! surprise,!errorQtriggering! effect,! at! the! very! end! of! the! story.! As! hypothesized,! we! found! evidence! of! adaptation! and! prediction! strengthening,! reflected! in! the! significant! beta! band! power! increase! as! the! reader! becomes! familiar!with! the! content! of! the! story.! Furthermore,! contrary! to! our! expectations,! we! found! a! significant! increase! in! both!low!and!high!gamma!power!in!the!same!direction!as!beta!band!finding.!This! finding,!while! failed! to! confirm!gamma! frequencies! as! indicators!of! surprise! in! language! comprehension,!were! in! line!with! previous! sentence! comprehension! studies! that! suggested!gamma!band! to!be! indicative!of! the!match!between!our! expectations!and!input.!Finally,!we!failed!to!find!any!difference!in!gamma!power! at!the!occurrence!of!the!oneQoff!surprise!factor!incongruent!with!the!rest!of!the! story.! Our! findings! confirm! partial,! yet! consistent! discrepancy! between! the! predictive! coding! hypothesis! on! prediction! and! prediction! errors! oscillatory! signatures,!and!evidence!from!the!language!comprehension!research.!! | en_US |
dc.embargo.lift | 2040-08-01 | |
dc.identifier.uri | http://hdl.handle.net/123456789/3596 | |
dc.language.iso | en | en_US |
dc.thesis.faculty | Faculteit der Sociale Wetenschappen | en_US |
dc.thesis.specialisation | Researchmaster Cognitive Neuroscience | en_US |
dc.thesis.studyprogramme | Researchmaster Cognitive Neuroscience | en_US |
dc.thesis.type | Researchmaster | en_US |
dc.title | Exploring*Oscillatory*Signatures*of*Prediction*and*Prediction*Error*in* Language*Processing* | en_US |
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