Vision

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Across
  1. 3. brain's use of information about the changing thickness of the lens of the eye in response to looking at objects that are close or far away.
  2. 8. theory Theory of color vision that proposes four primary colors with cones arranged in pairs: red and green, blue and yellow.
  3. 10. Detectors specialized nerve cells in the visual cortex that are in the brain and respond to specific characteristics of a visual stimulus.
Down
  1. 1. condition of the eye that makes it difficult to see objects that are far away
  2. 2. condition in which visual images come to a focus behind the retina of the eye and vision is better for distant than for near objects
  3. 4. Constancy a Gestalt principle of perception that suggests that the context in which an object we are viewing appears in, influences the way we perceive the color of that object.
  4. 5. relative ability of the visual organ to resolve detail that is usually expressed as the reciprocal of the minimum angular separation in minutes of two lines just resolvable as separate and that forms in the average human eye an angle of one minute.
  5. 6. Theory a theory in color vision: the eye has three separate elements each of which is stimulated by a different primary color.
  6. 7. process of converting outside stimuli, such as light, into neural activity.
  7. 9. Processing ability of the brain to do many things at once.