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study notes on sensation, perception & attention. date not accurate

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Department
Psychology
Course
PSY100H1
Professor
Michael Inzlicht
Semester
Winter

Description
SENSATION PERCEPTION ATTENTION SENSATION: how sense organs detect and respond to energy from external stimuli, as well as how these responses are transmitted to the brain. PERCEPTION: these signals are further processed. Understanding perception requires an understanding of sensory processes. Perceptual Constancy: we know snow is white and a tire is black, even snow at night and a tire in really bright light (even if they send identical luminance cues) a door is a rectangle even though we rarely, if ever, see 4 right angles projected onto our retina. There is size constancy, shape constancy, colour constancy, lightness constancy. We need to understand the relationship between at least two factors (how far the object is from us, how much light is reflecting off the surface, etc) in order to understand what we are seeing. **THE BRAIN COMPUTES A RATIO BASED ON RELATIVE MAGNITUDE RATHER THAN ABSOLUTE MAGNITUDE OF EACH SENSATION** Classic Perceptual Theory: ~Helmholtz~ Perceptual experience& (maybe) innat
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