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What We Do

There are three main areas of research conducted in the lab; all of them involve psychophysical measurements of visual performance.

Studies of the effects of alcohol on vision: Although a great deal is known about the effects of alcohol on motor control, there have been few systematic studies of its effects on sensory systems. Our work in this area has been concerned first with describing the kinds of visual deficits that occur following alcohol consumption, and then to gain an understanding of the physiological mechanisms that might be involved.

Studies of human binocular vision: Our main interest here over the past few years concerns the question of whether binocular vision is served by a single "module" or within the visual pathway or whether there are mutiple "channels", each serving a different binocular visual function. Currently, we are investigating some of the temporal characteristics of binocular vision

Studies in comparative vision: For the past several years we have been evaluating vision in the horse. Horses are highly visual animals with the largest eye of any land mammal, but there are few formal studies of how well they can use their visual apparatus. To date we have measured visual acuity and both monocular and binocular depth perception. Currently we are running a number of experiments on their colour vision. Beginning this summer, we will be starting a new set of studies, examining vision in the camel.