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






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






3. We see objects because of the light they reflect






4. 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






5. 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'






6. The feeling that results from physical stimulation






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






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






9. Or overlap of objects shows which objects are closer






10. 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.






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






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






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






14. Located by the cornea






15. Asserts that perception and cognition are largely innate






16. 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.






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






18. 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.






19. 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.






20. 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.






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






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






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






24. 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






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






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






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






28. 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.






29. Defined the Just Noticeable Difference






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






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






32. The most famous of all visual illusions. Two horizontal lines of equal length appear unequal because of the orientation of the arrow marks at the end. Inward facing arrow marks make the line appear shorter than another line of the same length with ou






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






34. 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






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






36. Suggests that subjects detect stimuli not only because they can but also because they want to. TSD factors motivation into the picture.

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






38. Found that infants prefer relatively complex and sensational displays






39. Is the tendency to complete incomplete figures






40. Is the result of regeneration of retinal pigment






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






42. 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






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






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






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






47. Along the visual pathway is the...






48. Proposed the opponent color/process theory






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






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