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






2. Rightly stating that no stimulus exists






3. humans best hear at






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






5. 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.






6. 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.






7. The feeling that results from physical stimulation






8. Defined the Just Noticeable Difference






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






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






11. 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






12. Or overlap of objects shows which objects are closer






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






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






15. 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






16. How we organize or experience sensations






17. 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.






18. 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.






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






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






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






22. The physical intensity of light






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






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






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






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






27. Famous for the theory of color blindness






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






29. Asserts that perception and cognition are largely innate






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






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






33. 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.






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






35. 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.






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






37. 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






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






39. Proposed the opponent color/process theory






40. After the optic chasm - information travels to the...






41. Located in the back of the eye - receives light images from the lens. It is composed of about 30 million photoreceptor cells and of other cell layers that process information






42. Saying you detect a stimulus that is not there






43. Is the result of regeneration of retinal pigment






44. 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.






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






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






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






48. 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






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






50. Comes from the complexity of the sound wave