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dc.contributor.authorFaraco, Carlos Cesar
dc.date.accessioned2014-03-04T18:24:13Z
dc.date.available2014-03-04T18:24:13Z
dc.date.issued2009-12
dc.identifier.otherfaraco_carlos_c_200912_ms
dc.identifier.urihttp://purl.galileo.usg.edu/uga_etd/faraco_carlos_c_200912_ms
dc.identifier.urihttp://hdl.handle.net/10724/26045
dc.description.abstractThe working memory system is vital to performing everyday functions that require attentive, non-automatic processing of information. Cortical regions associated with the human working memory system have been determined through postmortem investigation of lesioned brains, through neuropsychological studies of lesioned patients, and most recently through neuroimaging of healthy and patient populations. Regions typically involved in working memory are the prefrontal cortex (PFC), anterior cingulate cortex (ACC), superior parietal lobule (SPL), and inferior parietal lobule (IPL). However, much less is known about the structural connectivity of this system. To attempt to characterize this, fMRI was performed on participants while they performed the operation span (OSPAN) task. Regions of activation were then used as seeds and targets for DTI based tractography. Activated regions were in accordance with those typically found in the literature. Structural connectivity was observed mainly through the superior longitudinal fasciculus II (SLF II) and the fronto-occipital fasciculus (FOF).
dc.languageeng
dc.publisheruga
dc.rightspublic
dc.subjectWorking memory
dc.subjectOperations span (OSPAN)
dc.subjectFunctional magnetic resonance imaging (fMRI)
dc.subjectDiffusion tensor imaging (DTI)
dc.subjectWhite matter
dc.subjectSuperior longitudinal fasciculus (SLF)
dc.subjectFronto-occipital fasciculus (FOF)
dc.titleConnectivity of the human working memory system
dc.typeThesis
dc.description.degreeMS
dc.description.departmentPsychology
dc.description.majorPsychology
dc.description.advisorStephen Miller
dc.description.committeeStephen Miller
dc.description.committeeQun Zhao
dc.description.committeeNathan Yanasak
dc.description.committeeSteven R. H. Beach


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