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Colour

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BSc PS414 Cognitive Psychology I (Light and its Reception) Quiz on Colour, created by Petite Piplup on 27/03/2014.
Petite Piplup
Quiz by Petite Piplup, updated more than 1 year ago
Petite Piplup
Created by Petite Piplup over 10 years ago
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Resource summary

Question 1

Question
What is a trichromatic visual system?
Answer
  • Having 3 types of cones, attuned to different light colours
  • Having 3 types of rods, attuned to different light colours
  • Having 3 types of cones, each attuned to three different light colours
  • Having 3 types of rods, each attuned to three different light colours

Question 2

Question
What is Hue?
Answer
  • Colour
  • Lightness/Darkness
  • How strong the colour is
  • How relative the colour is

Question 3

Question
What is brightness?
Answer
  • Lightness/darkness
  • Colour
  • How strong the colour is
  • How relative the colour is

Question 4

Question
What is saturation?
Answer
  • How strong the colour is
  • Colour
  • Lightness/darkness
  • How relative the colour is

Question 5

Question
What is dichromatic colour vision?
Answer
  • Only having two functioning cones, e.g. in horses yellow-blue vision
  • Losing the functioning of one cone, e.g. losing s-cone
  • Only being able to perceive two colours
  • Only being able to distinguish light/dark shades

Question 6

Question
What is CIE chromaticity space?
Answer
  • A diagram that all colours can be placed on
  • A list of every single colour
  • A brain area that deals exclusively with colour
  • A term for the visual environment with regards to colour

Question 7

Question
A typical PC screen displays about (a) colours, whilst humans are estimated to be able to distinguish about (b) colours
Answer
  • 17 million, 8 million
  • 8 million, 17 million
  • 1,700,000, 800,000
  • 800,000, 1,700,000

Question 8

Question
Trichromatic colour theory: What did Young, Helmholz state about colour? (before it was backed up by physiology)?
Answer
  • We only need a few photoreceptors and can figure out any colour from their relative responses
  • We only need a few photorecpetors, which combined can make any colour
  • We need many photoreceptors and work out colours based on their relative responses
  • We need many photoreceptors each with it's own colour

Question 9

Question
Trichromatic Colour Theory: Outline Hering's Opponent-Process Theory
Answer
  • Primary colours are in opposing pairs, see colours in terms of how much of one extreme it is
  • All colours are in opposing pairs, see colours in terms of how much of one extreme it is
  • Primary colours are in opposing pairs, see colours in terms of how one pair relates to other pairs
  • All colours are in opposing pairs, see colours in terms of how one pair relates to other pairs

Question 10

Question
Why when looking at a pattern, do we see the image in the opposite colours when presented with a white screen?
Answer
  • We adapt to the colour presented, so the opposite colour is more strongly activated in relation
  • We adapt to the opposite colour, so the presented colour is more strongly activated in relation
  • The pupil absorbs the light of the original colours and reflect them back onto the white surface, and opposing colours are perceived to refraction
  • Our brain fill sin the gaps of what it thinks we should see, and because the presented colours have adapted, the opposing colours are the closest matched

Question 11

Question
No functioning cones leads to what?
Answer
  • No colour vision, poor acuity and uncomfortable daylight
  • No colour vision, better acuity and uncomfortable daylight
  • No colour vision, better acuity and uncomfortable twilight
  • No colour vision, poor acuity and uncomfortable twilight

Question 12

Question
People with one class of cone functioning are called (a), results of this are (b)
Answer
  • (a) Monochromats, (b) No colour vision
  • (a) Monochromats, (b) Daylight uncomfortable
  • (a) Dichromats, (b) No colour vision
  • (a) Dichromats, (b) Daylight uncomfortable

Question 13

Question
Dichromats (2 functioning cone types): What is protanopia?
Answer
  • Insensitive to long wavelengths
  • Malfunctioning of m cones
  • Malfunctioning of s cones
  • Malfunctioning of l cones

Question 14

Question
Dichromats (2 functioning cone types): What is deuteranopia?
Answer
  • Malfunctioning of m cones
  • Malfunctioning of s cones
  • Malfunctioning of l cones
  • Insensitive to long wavelengths

Question 15

Question
Dichromats (2 functioning cone types): What is tritanopia?
Answer
  • Malfunctioning of s cones
  • Malfunctioning of l cones
  • Malfunctioning of m cones
  • Insensitive to long wavelengths

Question 16

Question
Some females are thought to have 4 cones enabling them to see more colours. What are they called?
Answer
  • Tetrachromats
  • Quadrachromats
  • Biquadromats
  • Ditrichromats
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