Vision and haptics : how sensorimotor interactions influence grasping

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dc.contributor.authorStone, Kayla D.
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorGonzalez, Claudia L. R.
dc.date.accessioned2015-09-24T21:49:49Z
dc.date.available2015-09-24T21:49:49Z
dc.date.issued2015
dc.degree.levelMastersen_US
dc.description.abstractThe purpose of this thesis was to investigate the sensory contributions to hand preference for grasping. While numerous studies have investigated this preference for visually-guided grasping (a left-hemisphere specialization), very few have documented it during haptically-guided actions (a right-hemisphere specialization). In a series of four studies, participants (healthy adults, congenitally blind, and children) were asked to replicate 3D-block models from a tabletop of blocks while the hand used for grasping was recorded. Overall the results showed a right-hand preference for grasping independent of age and visual experience (but not sensory modality). Haptics played a modest, yet significant, role in modulating hand preference, as there was a significant reduction in right-hand use in the absence of vision (i.e. during haptically-guided grasping). Because the left hand was never used more than 50% of the time, these findings support the theory of a default right-hand/left-hemisphere specialization for grasping that is modulated by haptics.en_US
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada (Fund # 14367 and Canada Graduate Scholarship - Master's Program), University of Lethbridge, Alberta Innovates - Health Solutions (AIHS) Sustainability Fund (Fund # G00002541)en_US
dc.embargoNoen_US
dc.identifier.urihttps://hdl.handle.net/10133/3746
dc.language.isoen_CAen_US
dc.proquest.subject0317en_US
dc.proquest.subject0623en_US
dc.proquest.subject0575en_US
dc.proquestyesYesen_US
dc.publisherLethbridge, Alta. : University of Lethbridge, Dept. of Neuroscienceen_US
dc.publisher.departmentDepartment of Neuroscienceen_US
dc.publisher.facultyArts and Scienceen_US
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en_US
dc.subjectHand preferenceen_US
dc.subjectSensoryen_US
dc.subjectVisionen_US
dc.subjectTouchen_US
dc.subjectProprioceptionen_US
dc.subjectDevelopmenten_US
dc.subjectCongenitally blinden_US
dc.subjectSensory deprivationen_US
dc.subjectHandednessen_US
dc.subjectGraspingen_US
dc.titleVision and haptics : how sensorimotor interactions influence graspingen_US
dc.typeThesisen_US
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