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  3. At the interface of materials and objects in peripheral vision
Department of Brain and Cognitive Sciences (BCS)
Thesis Defense

At the interface of materials and objects in peripheral vision

Speaker(s)
Shaiyan Keshvari, Rosenholtz Lab
Add to CalendarAmerica/New_YorkAt the interface of materials and objects in peripheral vision07/29/2016 3:00 pm07/29/2016 4:00 pmBrain and Cognitive Sciences Complex, 43 Vassar Street, McGovern Seminar Room 46-3189, Cambridge MA
July 29, 2016
3:00 pm - 4:00 pm
Location
Brain and Cognitive Sciences Complex, 43 Vassar Street, McGovern Seminar Room 46-3189, Cambridge MA
Contact
Julianne Gale Ormerod
    Description

    Humans are able to simultaneously perceive the world as discrete, distinct "objects", as well as regions of statistical regularity, or "textures". This is evident in the way we describe our perceptual world. A street is made up of concrete and asphalt "stuff", while the people and dogs walking on it are the "things" that make use of it. Both of these types of representation, however, are derived from the same sensory input, and thus there must exist transformations that map one to the other. A complete model of perception must account for these transformations. I study the representations that lie at the interface of object and texture perception in vision, focusing on utilizing the intrinsically impaired perception in the periphery to disambiguate the predictions of different models. I find that many seemingly separate perceptual phenomena in crowding can be better understood as different aspects of a single underlying model. I extend this to the study of material perception, and find that considering images of materials as visual textures can explain human’s ability to recognize materials in the periphery. Furthermore, I examine how the limitations of peripheral vision affects the perception of visual designs, namely webpages.

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