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Gregory, R. L. (1968)

Gregory, R. L. (1968). Some clarifications. Attention and 3D structure (Fig. 6.2). Attention and Figure-ground segregation. Depending on where you look at, the figure and the ground switch rapidly.  Attention plays some role in determining the figure and the ground.

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Gregory, R. L. (1968)

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  1. Gregory, R. L. (1968) Some clarifications

  2. Attention and 3D structure (Fig. 6.2)

  3. Attention and Figure-ground segregation • Depending on where you look at, the figure and the ground switch rapidly. •  Attention plays some role in determining the figure and the ground.

  4. Copies of the black (A) and the white (B) vertical contour. Copies of the black (A) and the white (B) diagonal contour.

  5. Figure 6.3 (Poggendorff illusion)

  6. Figure 6.3 (Poggendorff illusion)

  7. Figure 6.3 (Poggendorff illusion)

  8. Figure 6.3 (Poggendorff illusion)

  9. Figure 6.14: Orbison Illusion

  10. Emmert’s Law • S= R x D • S= Perceived size; R=retinal image; D=distance

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