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






2. Along the visual pathway is the...






3. Is the tendency to complete incomplete figures






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






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






6. 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.






7. Located by the cornea






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






9. 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.






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 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






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






13. We see objects because of the light they reflect






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






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






16. Also known as color - is the dominant wavelength of light






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






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

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






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






21. Best at seeing fine details






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






23. Electrical impulses travel down these to the brain - where the information is understood






24. 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.






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






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






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






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






29. Has monocular and binocular cues






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






31. Is the tendency to see what is easiest or logical to see






32. 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.






33. humans best hear at






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






35. Famous for the theory of color blindness






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






37. 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






38. Correctly sensing a stimulus






39. Proposed the opponent color/process theory






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






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






42. Asserts that perception and cognition are largely innate






43. Is the tendency to create a whole or detailed figure based on our expectations rather than what is seen






44. Failing to detect a present stimulus






45. The physical intensity of light






46. 1. closure 2. Proximity 3. Continuation or good continuation 4. Symmetry 5. Constancy 6. Minimum principle






47. Is the result of regeneration of retinal pigment






48. The chemical that aids the receptor cells in transduction






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






50. 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