PSY280H1 Chapter Notes - Chapter 3: Mach Bands, Receptive Field, Limulus

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13 Mar 2014
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PSY280H1 Full Course Notes
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Lateral inhibition and perception: lateral inhibition: inhibition that is transmitted laterally across a nerve circuit. In the retina, lateral inhibition is transmitted by the horizontal and amacrine cells: primary work on lateral inhibition carried out on the horseshoe crab, or limulus. The limulus eye is made up of hundreds of these ommatidia. When they stimulated receptor b at the same time, the response in a diminished. Lateral inhibition and lightness perception: lightness: the perception of shades ranging from white to grey to black. The hermann grid: seeing spots at intersections: hermann grid: a display that results in the illusion of dark areas at the intersection of 2 white corridors. this perception can be explained by lateral inhibition, picture description: grid. Receptor a in centre where the corridors meet. Beside a in each white corridor is a receptor labelled b through e. assume each is receiving a signal of.

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