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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. Why do cones see better than rods?






2. We see objects because of the light they reflect






3. 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.






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






5. Saying you detect a stimulus that is not there






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






7. humans best hear at






8. 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






9. Is the tendency to complete incomplete figures






10. 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






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






12. 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.






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






14. Has monocular and binocular cues






15. 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.






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






17. Located by the cornea






18. Along the visual pathway is the...






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






21. Is the inability to recognize faces






22. Comes from the complexity of the sound wave






23. Is the result of regeneration of retinal pigment






24. 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






25. Or overlap of objects shows which objects are closer






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






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






28. 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.






29. 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.






30. 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






31. 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






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






33. Famous for the theory of color blindness






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






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






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






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






38. 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






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






40. 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.






41. 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'






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






43. 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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44. After the optic chasm - information travels to the...






45. 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.






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






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






48. 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.






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

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50. How we organize or experience sensations