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BSc PS414 Cognitive Psychology I (Light and its Reception) Quiz am The relationship between illuminance and brightness, erstellt von Petite Piplup am 27/03/2014.

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The relationship between illuminance and brightness

Frage 1 von 6

1

What is simultaneous brightness contrast?

Wähle eine der folgenden:

  • When two areas of the same brightness appear to have different brightness' dependent on their backgrounds

  • When two areas of different brightness appear to have the same brightness dependent on their background

  • When two areas of the same brightness appear to be the same brightness dependent on their backgrounds

  • When two areas of different brightness appear to have different brightness' dependent on their backgrounds

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Frage 2 von 6

1

What is the mechanism that controlls simultaneous brightness contract called?

Wähle eine der folgenden:

  • Lateral inhibition

  • Simultaneous inhibition

  • Lateral facilitation

  • Simultaneous facilitation

Erklärung

Frage 3 von 6

1

What is an on center, off surround ganglion receptive field?

Wähle eine der folgenden:

  • Increased brightness creates a stronger response when this is within the on center, but creates a stronger inhibitory response when within the off surround

  • Decreased brightness creates a stronger response when this is within the on center, but creates a stronger inhibitory response when within the off surround

  • Decreased brightness creates a stronger inhibitory response when this is within the on center, but creates a stronger response when within the off surround

  • Increased brightness creates a stronger inhibitory response when this is within the on center, but creates a stronger response when within the off surround

Erklärung

Frage 4 von 6

1

How are match bands affected by lateral inhibition?

Wähle eine der folgenden:

  • A uniform grey going from dark to light appears to have brighter bars separating it

  • A set of grey bars going from light to dark, separated by lighter bars appear to be a uniform grey

  • When looking at the lighter bands there appears to be a grey dot in the intersection

  • The contrast within a uniform grey appears unchanged

Erklärung

Frage 5 von 6

1

(a) What is the Hermann or Hering grid illusion? and how is this affected by lateral inhibition?

Wähle eine der folgenden:

  • Black squares spaced apart on a white background, grey dots will be perceived in the intersections

  • White squares spaced apart on a black background, grey dots will be perceived in the intersections

  • Black squares spaced apart on a white background, grey dots will be perceived in the square centers

  • White squares spaced apart on a black background, grey dots will be perceived in the square centers

Erklärung

Frage 6 von 6

1

Why does lateral inhibition happen, function?

Wähle eine der folgenden:

  • Perception only cares about the contrast (edges) and properties that help determine edges, not the retinal image

  • Perception does not care about the contrast (edges) and properties that help determine edges, only the retinal image

  • Perception cares about both the contrast (edges) and properties that help determine edges, and the retinal image

  • Perception only cares about neither the contrast (edges) and properties that help determine edges, or the retinal image

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