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






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






3. 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






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






5. 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.






6. Why do cones see better than rods?






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






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






9. 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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10. Famous for the theory of color blindness






11. Found that infants prefer relatively complex and sensational displays






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






13. 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






14. Or overlap of objects shows which objects are closer






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






16. 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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17. After the optic chasm - information travels to the...






18. Rightly stating that no stimulus exists






19. 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






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






21. Allows the eyes to see contrast and prevents repetitive information from being sent to the brain. Once the receptor cell is stimulated - the others nearby are inhibited.






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






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. Comes from the complexity of the sound wave






25. We see objects because of the light they reflect






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






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






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






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. 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.






31. Proposed the opponent color/process theory






32. Defined the Just Noticeable Difference






33. 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






34. 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






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






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






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






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






39. 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






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






41. The chemical that aids the receptor cells in transduction






42. 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.






43. Failing to detect a present stimulus






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






45. How we organize or experience sensations






46. 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'






47. 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.






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






49. Is the inability to recognize faces






50. humans best hear at