Influence of a visual landmark shift on memory-guided reaching in the monkey

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dc.contributor.advisorCrawford, John Douglas
dc.contributor.authorLin, Jennifer Yi Xuan
dc.date.accessioned2024-03-18T18:13:14Z
dc.date.available2024-03-18T18:13:14Z
dc.date.issued2024-03-16
dc.date.updated2024-03-16T10:47:13Z
dc.degree.disciplineBiology
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractReach and gaze data were collected from one female Macaca mulatta monkey (ML) trained to perform a memory-guided reaching task to determine the influence of allocentric cue shifts on reaching responses in the non-human primate. A landmark (4 ‘dots’ spaced 10° apart forming the corners of a virtual square) was presented at 1 of 15 locations on a touch screen. The landmark either reappeared at the same location (stable landmark condition) or shifted by 8° in one of 8 directions (landmark shift condition). ‘No-landmark’ controls were the same, but without the landmark. The presence of a stable landmark increased the accuracy of both gaze and touch responses and the precision of gaze. In the landmark shift condition, reaches shifted partially (mean = 29 %) with the landmark. Overall, these data suggest that the monkey is influenced by visual landmarks when reaching to remembered targets in a similar way as humans.
dc.identifier.urihttps://hdl.handle.net/10315/41935
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectAnimal behavior
dc.subjectNeurosciences
dc.subject.keywordsAnimal behaviour
dc.subject.keywordsNeuroscience
dc.subject.keywordsReaching
dc.subject.keywordsMotor
dc.subject.keywordsAllocentric
dc.subject.keywordsEgocentric
dc.subject.keywordsReference frame
dc.subject.keywordsRhesus macaque
dc.subject.keywordsEye-hand coordination
dc.subject.keywordsArm movement
dc.titleInfluence of a visual landmark shift on memory-guided reaching in the monkey
dc.typeElectronic Thesis or Dissertation

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