PSYA01H3 Lecture Notes - Lecture 13: Ganglion, Illusory Contours, Railways Act 1921
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Bipolar cells: they are sharping the edges of the images the after image is not clear b/c the image isn;t going through the bipolar cells and is all on the ganglion cells. The stop example you will see purple instead of red because the original green wasn"t pure green but it was neon green (which involves other colours like yellow) Ambiguous stimulus : not a perfect 13 not a perfect b . Perception system: everything we look at we don"t see it perfectly we used memory and context combined to help us understand the raw input. Top- down perception: coming from memory and context. Down -up perception : coming from the world. Gure vs. ground segregation: in order to gure what something is you have to rst nd out where the bounds are. We see bounds b/c edges and contours are usually critical and provide good info.
