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






2. The optic nerve is made up of...






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






4. Also known as just noticeable difference. The minimum difference that must occur between two stimuli - in order for them to be perceived as having different intensities.






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






6. 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






7. Is the tendency to complete incomplete figures






8. The moon looks larger when we see it on the horizon than when we see it in the sky. This is because the horizon contains visual cues that make the moon seem more distant than the overhead sky.






9. Consists of the bony labyrinth - a hollow cavity in the temporal bone of the skull with a system of passages comprising two main functional parts: The cochlea - dedicated to hearing; converting sound pressure patterns from the outer ear into electroc






10. 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






11. Individuals are partly motivated by rewards and costs in detection. The interplay between response bias and stimulus intensity determines responses






12. Revolves around perception and asserts that people tend to see the world as comprised of organized wholes. The world is understood through top-down processing.






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

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14. The overarching Gestalt idea that experience will be organized as meaningful - symmetrical - and simple whenever possible.






15. 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






16. humans best hear at






17. How we organize or experience sensations






18. 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






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






20. The chemical that aids the receptor cells in transduction






21. The physical intensity of light






22. After the optic chasm - information travels to the...






23. 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






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






25. Refers to how we see texture or fine detail differently from different distances






26. 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.






27. Curces are graphical representations of a subject'S sensitivity to a stimulus






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






29. 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






30. We see objects because of the light they reflect






31. Or overlap of objects shows which objects are closer






32. Rods and cones on the retina that are responsible for sensory transduction.






33. A theory for color vision. It suggests that two types of color sensitive cells exist: Cones that respond to blue-yellow colors and cones that respond to red-green. When one color of the cone is stimulated - the other is inhibited.






34. 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






35. The clear protective coating on the outside of the eye






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






37. Allow the cornea to bend (accommodate) in order to focus an image of the outside world onto the retina






38. How movement is perceived though the displacement of objects over time - and how this motion takes place at seemingly different paces for nearby or faraway objects. Ships far away seem to move more slowly than ships moving at the same speed.






39. Proposed the perceptual development and optic array






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






41. Famous for the theory of color blindness






42. Ambiguous figures - such as the Rubin vase. They can be perceived as two different things depending on which part you see as the figure and which part you see as the background.






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






44. Comes from the complexity of the sound wave






45. 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






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






47. Consists of the parts you see called the pinna and the auditory canal. Vibrations from sound move down this canal to the middle ear.






48. 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'






49. Rightly stating that no stimulus exists






50. Correctly sensing a stimulus