Across 5. the extent to which the eyes converge inward when looking at an object. 7. the difference between the two images the retinas receive of an object. (2 Words) 12. is to perceive any object, called the figure, as distinct from its surroundings, called the ground. (2 Words) 13. Objects in familiar positions are easier to recognize. 15. fill gaps to create a whole object. 16. as we move, stable objects appear to move relative to us. (2 Words) 18. dimmer objects seem more distant. (2 Words) 19. the smaller image of two objects of the same size appears more distant. (2 Words) 20. tendency to perceive preferentially forms that make up mirror images.

Down 1. To group similar objects together. 2. To group together figures that are near to each other. 3. Selective listening, being able to only listen to one conversation while in a noisy room. (3 Words) 4. higher objects are farther away. (2 Words) 6. Research using a visual cliff. (2 Words) 8. Refers to the principle that we perceive objects as unchanging. (2 Words) 9. Perceptual clues are distorted and our brains cannot correctly interpret space, size, and depth. 10. the converging of parallel lines indicates greater distance (Vanishing point) (2 Words) 11. nearby objects partially obstruct our view of more distant objects. 14. we perceive smooth, continuous patterns rather than discontinuous ones. 17. A form or a whole.