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






2. 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.






3. Is composed of photons and waves measured by brightness and wavelengths






4. 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.






5. How we organize or experience sensations






6. Saying you detect a stimulus that is not there






7. 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.






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






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






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






11. 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






12. 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






13. Why do cones see better than rods?






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






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






16. The chemical that aids the receptor cells in transduction






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






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






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






20. Found that infants prefer relatively complex and sensational displays






21. 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.






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






23. 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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24. 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






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






26. Is the tendency to complete incomplete figures






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






28. humans best hear at






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. 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






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






32. The feeling that results from physical stimulation






33. Correctly sensing a stimulus






34. Involves both innate/sensory and is partially learned/conceptual






35. 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.






36. 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.






37. Proposed the opponent color/process theory






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






39. 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.






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






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

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






43. Is the result of regeneration of retinal pigment






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






45. Failing to detect a present stimulus






46. Rightly stating that no stimulus exists






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






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






49. 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






50. 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.