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






2. Why do cones see better than rods?






3. 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.






4. Proposed the opponent color/process theory






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






6. Has monocular and binocular cues






7. Is gained by features we are familiar with - such as two seemingly parallel lines that converge with distance






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






9. Failing to detect a present stimulus






10. 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.






11. The chemical that aids the receptor cells in transduction






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






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






14. Or overlap of objects shows which objects are closer






15. Is the tendency to make figures out of symmetrical images






16. 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.






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






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






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






20. Developed the visual cliff to study whether depth perception was innate






21. The eyes are connected to the cerebral cortex by...






22. 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'






23. Begins with the tympanic membrane (eardrum) which is stretch across the auditory canal. Behind this membrane are the Ossicles (3 small bones) - the last of which is the stapes. Sound vibrations bump against the tympanic membrane - causing the ossicl






24. Comes from the complexity of the sound wave






25. Gives us clues about how far away an object is if we know about how big the object should be






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






27. It travels through the horizontal cells to the bipolar cells to the amacrine cells. Finally the information heads to the ganglion cells.






28. Proposed the perceptual development and optic array






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






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






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






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






33. 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.






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

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35. Rightly stating that no stimulus exists






36. Found that infants prefer relatively complex and sensational displays






37. 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






38. How people perceive objects in the way that they are familiar with them - regardless of changes in the actual retinal image. A book - for example - is perceived as rectangular in shape no matter what angle it is seen from.






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






40. The pace of vibrations or sound waves per second for a particular sound - determines pitch. Frequencies are measured in Hertz






41. Is knowing the color of an object even with tinted glasses on






42. 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






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






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






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






46. Saying you detect a stimulus that is not there






47. humans best hear at






48. Consists of one optic nerve connection each eye to the brain.






49. 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






50. Is the minimum amount of stimuli that can be detected 50% of the time