Long-Term Consequences of Early Eye Enucleation on Audiovisual Processing

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dc.contributor.advisorSteeves, Jennifer
dc.creatorMoro, Stefania Siera
dc.date.accessioned2018-08-27T16:35:36Z
dc.date.available2018-08-27T16:35:36Z
dc.date.copyright2018-04-05
dc.date.issued2018-08-27
dc.date.updated2018-08-27T16:35:36Z
dc.degree.disciplinePsychology (Functional Area: Brain, Behaviour & Cognitive Science)
dc.degree.levelDoctoral
dc.degree.namePhD - Doctor of Philosophy
dc.description.abstractA growing body of research shows that complete deprivation of the visual system from the loss of both eyes early in life results in changes in the remaining senses. Is the adaptive plasticity observed in the remaining intact senses also found in response to partial sensory deprivation specifically, the loss of one eye early in life? My dissertation examines evidence of adaptive plasticity following the loss of one eye (unilateral enucleation) early in life. Unilateral eye enucleation is a unique model for examining the consequences of the loss of binocularity since the brain is completely deprived of all visual input from that eye. My dissertation expands our understanding of the long-term effects of losing one eye early in life on the development of audiovisual processing both behaviourally and in terms of the underlying neural representation. The over-arching goal is to better understand neural plasticity as a result of sensory deprivation. To achieve this I conducted seven experiments, divided into 5 experimental chapters, that focus on the behavioural and structural correlates of audiovisual perception in a unique group of adults who lost one eye in the first few years of life. Behavioural data (Chapters II-V) in conjunction with neuroimaging data (Chapter VI) relate structure and function of the auditory, visual and audiovisual systems in this rare patient group allowing a more refined understanding of cross sensory effects of early sensory deprivation. This information contributes to us better understanding how audiovisual information is experienced by people with one eye. This group can be used as a model to learn how to accommodate and maintain the health of less extreme forms of visual deprivation and to promote overall long-term visual health.
dc.identifier.urihttp://hdl.handle.net/10315/34989
dc.language.isoen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectNeurosciences
dc.subject.keywordsNeuroscience
dc.subject.keywordsVisual processing
dc.subject.keywordsAuditory processing
dc.subject.keywordsVisual deprivation
dc.subject.keywordsMonocular enucleation
dc.subject.keywordsAudiovisual processing
dc.subject.keywordsMultisensory integration
dc.subject.keywordsTemporal binding window
dc.subject.keywordsDouble flash illusion
dc.subject.keywordsVisual capture
dc.subject.keywordsMcGurk illusion
dc.subject.keywordsPerson identification
dc.subject.keywordsObject identification
dc.subject.keywordsMedial geniculate body
dc.subject.keywordsMRI
dc.titleLong-Term Consequences of Early Eye Enucleation on Audiovisual Processing
dc.typeElectronic Thesis or Dissertation

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