Psychology

Why is object perception a difficult problem? Explain the inverse projection problem, occlusion, and viewpoint invariance
Think of examples of how heuristics and knowledge influence object perception.
Draw or recognize picture(s) demonstrating the Gestalt laws of perceptual organization.
Give an example of the Gestalt idea of transposable.
What are properties that separate a figure from its background?
Can infants perceive objects by grouping principles? What is evidence for this?
What are the two stages of processing in the feature integration theory?
Distinguish between displays that would recruit the first or second stage. How does reaction time demonstrate the difference?
Describe examples of inattentional blindness and change blindness. What does this tell us about the relationship between attention and perception?

What are three dimensions of color?
What is the difference between additive and subtractive color mixing?
How does the wavelength spectrum correspond to perceived hue?
What are spectral vs. non-spectral colors?
What is the main claim of the trichromatic theory of color vision? Describe the sensitivity functions of the three cone receptors.
What is a metamer?
How does the opponent process theory of color explain afterimages?
Describe the perceptual experience of a dichromat. In terms of the neurophysiology of the retina, explain the cause of dichromatism.
Describe how the ratio principle explains our experience of lightness constancy.
What is the difference between a reflectance edge and an illumination edge?