A neurophysiological marker of anticipation and error monitoring in developmental stuttering

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dc.contributor.authorMoore, William Rylie
dc.contributor.supervisorGarcia-Barrera, Mauricio
dc.date.accessioned2012-11-14T22:44:35Z
dc.date.copyright2012en_US
dc.date.issued2012-11-14
dc.degree.departmentDept. of Psychologyen_US
dc.degree.levelMaster of Science M.Sc.en_US
dc.description.abstractCurrent research in stuttering suggests that individuals who stutter (IWS) may have a hyperactive error-monitoring system, leading to the exacerbation and anticipation of verbal dysfluencies. Using a neurophysiological marker of error processing known as the feedback error-related negativity, the current thesis involved three studies. First, a pilot study was conducted to ensure that word feedback cues were usable in the current paradigm. Second, a classic virtual T-maze task was used to assess the generic error processing mechanism of IWS. Third, an adaptation of the T-maze was used to assess the integrity of the reinforcement learning system of IWS and their ability to associate reward and error information of personalized problem words with predictive cues. Results suggest preliminary evidence for functional generic error processing in IWS and disrupted error processing when conditioned predictive cues are needed to predict fluent versus dysfluent outcomes.en_US
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/4310
dc.languageEnglisheng
dc.language.isoenen_US
dc.rights.tempAvailable to the World Wide Weben_US
dc.subjectstutteringen_US
dc.subjectanticipationen_US
dc.subjecterror monitoringen_US
dc.subjectdopamineen_US
dc.subjectfeedback error-related negativityen_US
dc.subjectevent-related potentialen_US
dc.titleA neurophysiological marker of anticipation and error monitoring in developmental stutteringen_US
dc.typeThesisen_US

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