Gibson's direct theory of perception

• Whose theory suggests the environment provides all the information needed for perception?

  Gibson's
• Whose theory suggests perception is to do with past experiences?

  Gregory's
• According to Gibson, what are sensation and perception?

  The same thing
• According to Gibson, what detects everything needed to judge depth, distance, and movement?

  The eyes
• According to Gibson, do we need past experience to perceive?

  No
• What patterns involve the point we're moving towards staying stationary?

  Optic flow patterns
• What do optic flow patterns tell the brain?

  Speed and direction of travel
• What monocular depth cue involves closer objects appearing to move faster?

  Motion parallax
• According to Gibson, is our ability to perceive inborn or learned?

  Inborn
• According to Gibson, what do our eyes detect to understand distance and depth?

  Changes in light, texture, movement
• What is a strength of Gibson's theory?

  Real-world meaning
• What experience was Gibson's research based on?

  Pilots from WWII
• What does Gibson's theory struggle to explain?

  Visual illusions
• According to Gibson, how do we always perceive?

  Accurately
• What does the failure of Gibson's theory to explain illusions suggest?

  More to perception than Gibson suggests
• What did Gibson and Walk's study on the 'visual cliff' find?

  Infants avoid the 'cliff'
• What does Gibson and Walk's 'visual cliff' study suggest about depth perception?

  It is innate