Hierarchical error processing during motor control

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dc.contributor.author Krigolson, Olave
dc.date.accessioned 2007-09-26T15:34:47Z
dc.date.available 2007-09-26T15:34:47Z
dc.date.copyright 2007 en_US
dc.date.issued 2007-09-26T15:34:47Z
dc.identifier.uri http://hdl.handle.net/1828/239
dc.description.abstract The successful execution of goal-directed movement requires the evaluation of many levels of errors. On one hand, the motor system needs to be able to evaluate ‘high-level’ errors indicating the success or failure of a given movement. On the other hand, as a movement is executed the motor system also has to be able to correct for ‘low-level’ errors - an error in the initial motor command or change in the motor command necessary to compensate for an unexpected change in the movement environment. The goal of the present research was to provide electroencephalographic evidence that error processing during motor control is evaluated hierarchically. The present research demonstrated that high-level motor errors indicating the failure of a system goal elicited the error-related negativity, a component of the event-related brain potential (ERP) evoked by incorrect responses and error feedback. The present research also demonstrated that low-level motor errors are associated with parietally distributed ERP component related to the focusing of visuo-spatial attention and context-updating. Finally, the present research includes a viable neural model for hierarchical error processing during motor control. en_US
dc.language English eng
dc.language.iso en en_US
dc.rights Available to the World Wide Web en_US
dc.subject Learning en_US
dc.subject Error Processing en_US
dc.subject Event-Related Brain Potential en_US
dc.subject Reinforcement Learning en_US
dc.subject Motor Control en_US
dc.subject.lcsh UVic Subject Index::Sciences and Engineering::Psychology::Cognitive psychology en_US
dc.subject.lcsh UVic Subject Index::Humanities and Social Sciences::Education::Kinesiology en_US
dc.title Hierarchical error processing during motor control en_US
dc.type Thesis en_US
dc.contributor.supervisor Holroyd, Clay
dc.contributor.supervisor Van Gyn, Geraldine
dc.degree.department Faculty of Graduate Studies en_US
dc.degree.level Doctor of Philosophy Ph.D. en_US

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