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How perceptual information is combined to make sense of the world: Colour, theDress, and the sound of North, by Christoph Witzel (Justus-Liebig-University, Gießen)| old_uid | 17841 |
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| title | How perceptual information is combined to make sense of the world: Colour, theDress, and the sound of North, by Christoph Witzel (Justus-Liebig-University, Gießen) |
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| start_date | 2019/09/10 |
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| schedule | 11h |
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| online | no |
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| location_info | salle 4 |
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| summary | In our everyday life, we experience perceptual features as properties of our environment, and we distinguish between those features through concepts such as “colour”, “pitch”, and “softness”. Yet, complex perceptual processes take place for us to perceive those features. Colour is an excellent example to illustrate the constructive nature of those perceptual processes. Drawing on our research on colour perception, I will argue for a functional approach to the investigation of perceptual processes. According to this approach, perception does not exist for its own sake, but serves the purpose of identifying relevant objects in our environment. I will draw on examples from our research that show how colour perception is shaped and adapted to serve that purpose. In particular, categorical perception and memory colour effects imply that colour perception is influenced by memory and language. #theDress revealed the strong effects of implicit assumptions on perception. Evidence for cross-modal correspondences between colour, sound, and touch indicates that these perceptual features are not completely separate one from another. Finally, I will present our attempts to create a perceptual experience of cardinal directions (North, West…) with a sensory substitution device. The examples highlight the plasticity of perception and its adaptation to the functional demands of the environment through learning and experience. |
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| responsibles | Oliviero |
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