Chapter 16

Question 1

Define visual illusion

Answer 1

An illusion occurs when perception differs from reality
It’s a trick of the mind/brain
Caused by psychological factors

Question 2

Three famous illusions are and what they look like

Answer 2

Ponzo illusion
Miller-lyre illusion
Ames room

Photos

Question 3

What is ponzo illusion

Answer 3

Lines which appear higher in the visual feel appear longer than “closer” lines (linear perspective is involved

Question 4

The Miller lyre illusion

Answer 4

One line is perceived as longer when they are the same length
Due to biological reasons

Question 5

Ames room

Answer 5

The room is a trapezoidal shape with no right angles, floor and ceiling sloping and it gives the illusion that a person grows in size
Example of size constancy

Question 6

How does colour intensity affect our taste

Answer 6

The brightness or strength of a colour can impact our perception of flavour based on our understanding and experience which flavours correspond to colours eg red being Apple, watermelon, strawberry

Question 7

He facility of gustatory perception 4

Answer 7

Perceptual set
Colour intensity
Texture
Synaesthesia

Question 8

What is synaesthesia

Answer 8

A cross modal experience when stimulation of one sense automatically triggers another sense eg the sound of a word can trigger the taste of it