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Slides on Vision. Blue / Yellow Bipolar Cell Green / Red Bipolar Cell + − + − +−−+ −/+ Opponent – Process Theory Blue Green Red Yellow.

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Presentation on theme: "Slides on Vision. Blue / Yellow Bipolar Cell Green / Red Bipolar Cell + − + − +−−+ −/+ Opponent – Process Theory Blue Green Red Yellow."— Presentation transcript:

1 Slides on Vision

2 Blue / Yellow Bipolar Cell Green / Red Bipolar Cell + − + − +−−+ −/+ Opponent – Process Theory Blue Green Red Yellow

3 + - On center off surround Center-Surround Cells G + - Mild excitation Mild inhibition Maximal excitation Maximal inhibition Minimal effect

4 Darker Lighter Mach Bands & The Hermann Grid

5 + - A + - B + - C + - D B is more inhibited than A and will appear darker C is less inhibited than D and will appear lighter Explaining Mach Bands

6 Small foveal receptive fields Large peripheral receptive fields More light falls on inhibitory surround which leads to seeing a dark spot Explaining The Hermann Grid


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