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Dennis Levi - Professor, Optometry
Status: Full- no new appr needed Weekly Hours: 9-11 hrs Location: On Campus
Research in my lab focuses on how we perceive visual forms and patterns, and how form and depth perception are degraded by abnormal visual experience early in life (amblyopia). Specifically, we use psychophysics, eye-movements, computational modelling and brain imaging (fMRI) to study the neural mechanisms of normal pattern vision...
Biological & Health SciencesDennis Levi - Professor, Optometry
Status: Full- no new appr needed Weekly Hours: 9-11 hrs Location: On Campus
Most observers experience the world in three dimensions (3D) made possible by a combination of monocular and binocular cues to depth. In Amblyopia, a developmental disorder of spatial vision, a significant portion of observers have very coarse or no stereopsis (a cue for 3D perception). Previous research has shown that...
Biological & Health SciencesDennis Levi - Professor, Optometry
Status: Full- no new appr needed Weekly Hours: 9-11 hrs Location: On Campus
Amblyopia is a neurodevelopmental disorder of spatial vision characterized by a reduction in visual acuity. Previous research has shown that several neuro, oculomotor and perceptual deficits are also present in persons with amblyopia. Particularly, research has shown that amblyopes have longer saccadic and manual latencies to stimuli (i.e., the time...
Biological & Health SciencesDennis Levi - Professor, Optometry
Status: Full- no new appr needed Weekly Hours: 9-11 hrs Location: On Campus
Most people with degraded vision (amblyopia) lack 3D-depth vision (stereoblindness). Using a simple training, the depth perceptual sense can be recovered and some people can experience depth in 3D movie theatres for the first time. The goal of the project is to test this phenomenon extensively and investigate what...
Biological & Health Sciences