Chapter 6

Question 1

Illusion

Answer 1

Illusions occur when perception differs from objective reality

Question 2

Ponzo Illusion

Answer 2

the upper horizontal line is perceived to be longer due to linear perspective and height in the visual field making us believe the upper line is further away from us

Question 3

Muller-Lyer Illusion

Answer 3

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The Mueller-Lyer illusion can be explained using linear perspective as these two shapes create an outline of a building however one goes away whilst the other comes towards the viewer therefore it seems as if the shape on the right is bigger as we perceive it has further away.

Question 4

Ames Room

Answer 4

Ames room is an illusion which shows people to be vastly different in size but in the same room. It shows we keep shape constancy at the expanse of size constancy. It look like a rectangle but is actually a trapezoid. The ceiling is also tilted to make the illusion better.

Question 5

Impossible figures

Answer 5

Impossible figures show a three dimensional object that is impossible to construct in reality.

Question 6

Ambiguous figure

Answer 6

They induce multi stable perception, where we are able to see two or more different yet unchanging images.