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GRE Psychology: Perception Sensation

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The way that a single point of light viewed in darkness will appear to shake or move. the reason for this is the movement of our own eyes






2. Has been explained as the increasing ability of a child to make finer discriminations among stimuli.






3. Knowing that an elephant is large no matter how it might appear






4. Factors into why we see what we expect to see






5. The physical intensity of light






6. Or overlap of objects shows which objects are closer






7. Found that infants prefer relatively complex and sensational displays






8. The part of the world that triggers a particular neuron






9. Famous for the theory of color blindness






10. Failing to detect a present stimulus






11. The physical intensity of a sound wave largely determines loudness






12. Located in the back of the eye - receives light images from the lens. It is composed of about 30 million photoreceptor cells and of other cell layers that process information






13. The center of the retina; has the greatest visual acuity






14. Has been called the most important depth cue. Our eyes view objects from two slightly different angles - which allows us to create a 3-dimensional figure






15. Can be perceived as two different things depending on how you look at them






16. A thick layer of glass above a surface that dropped off sharply. The glass provided solid - level ground doe subjects to move across in spite of the cliff below. Animals and babies were used as subjects and both groups avoided moving into the 'cliff'






17. Is the upper limit above which the stimuli can no longer be perceived. -The highest pitch sound a human could hear






18. Suggests that there are three types of receptors in the retina: cones that respond to red - blue - or green






19. Proposed the opponent color/process theory






20. The tendency to perceive a smooth motion. This explains why motion is perceived when there is none - often by the use of flashing lights or rapidly shown still-fram pictures - such as in the perception of cartoons. This is apparent motion






21. Is the inability to recognize faces






22. After images are perceived because of fatigued receptors. Because our eyes have a partially oppositional system for seeing colors - such as red-green or black-white - once on side is overstimulated and fatigued - it can no longer respond and is overs






23. Takes place when receptors for a particular sense detect a stimulus.






24. Objects that have been drawn and can be perceived but are geometrically impossible






25. Along the visual pathway is the...






26. Discovered that cells in the visual cortex were so complex and specialized that they respond to certain types of stimuli. For example - some cells only respond to vertical lines - whereas some respond to only right angles.






27. Where half of all fibers from the optic nerve of each eye cross over and join the optic nerve from the other eye. This insures input from each eye will be put together in a full picture in the brain.






28. How we organize or experience sensations






29. Says that the strength of a stimulus must be significantly increased to produce a slight difference in sensation

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30. Proposed the perceptual development and optic array






31. Asserts that perception and cognition are largely innate






32. Asserts that perception is the sum total of sensory input. The world is understood through bottom-up processing






33. Applies to all senses but only to a limited range of intensities. The law states that a stimulus needs to be increased by a constant fraction of its original value in order to be noticeably different

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34. Are particularly sensitive to dim light and are used for night vision. They are also concentrated along the sides of the retina - making them extremely important for peripheral vision






35. Comes from the complexity of the sound wave






36. Refers to the relationship between the meaningful part of a picture and the background






37. Saying you detect a stimulus that is not there






38. He tendency to group together items that are near each other






39. The feeling that results from physical stimulation






40. Is the way that perceived color brightness changes with the level of illumination in the room. With lower levels of illumination - the extremes of the color spectrum (especially red) are seen as less bright






41. humans best hear at






42. Best at seeing fine details






43. Is the tendency to complete incomplete figures






44. 1. Reception 2. Sensory Transduction 3. Neural Pathways






45. We see objects because of the light they reflect






46. Are concentrated in the center of the retina. They are sensitive to color and daylight vision.






47. Proposed the tri-color theory - research shows that the opponent-process theory seems to be at work in the Lateral geniculate body - research shows that the tri-color theory seems to be at work in the Retina






48. Refers to the entire span that can be perceived or detected by the eye at a given moment.






49. Located by the cornea






50. Is when two horizontal lines of equal length appear unequal because of two vertical lines that slant inward