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






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






3. Failing to detect a present stimulus






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






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






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






7. Located by the cornea






8. Is the tendency to complete incomplete figures






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






10. Famous for the theory of color blindness






11. 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'






12. 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.






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






14. 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.






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






16. 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






17. 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.






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






19. Is the inability to recognize faces






20. 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.






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






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

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23. 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






24. 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






25. humans best hear at






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






27. We see objects because of the light they reflect






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






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






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






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






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






33. Saying you detect a stimulus that is not there






34. Found that infants prefer relatively complex and sensational displays






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






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






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






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






39. 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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40. Proposed the opponent color/process theory






41. How we organize or experience sensations






42. 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






43. 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






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






45. 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.






46. Along the visual pathway is the...






47. 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.






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






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






50. Why do cones see better than rods?