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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 optic nerve is made up of...






2. 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.






3. 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.






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






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






6. The physical intensity of light






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






8. 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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9. The clear protective coating on the outside of the eye






10. 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






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






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






13. Correctly sensing a stimulus






14. Is the tendency to complete incomplete figures






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

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16. Rightly stating that no stimulus exists






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






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






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






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






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






22. All the things a person sees trains them to perceive






23. 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.






24. 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






25. 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.






26. Located by the cornea






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






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






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






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






31. Is the result of regeneration of retinal pigment






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






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






34. Or overlap of objects shows which objects are closer






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






36. 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






37. 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






38. Comes from the complexity of the sound wave






39. 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






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






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






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






43. Saying you detect a stimulus that is not there






44. Is the inability to recognize faces






45. Why do cones see better than rods?






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






47. 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






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






49. How we organize or experience sensations






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