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






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






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






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






5. 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.






6. 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






7. Found that infants prefer relatively complex and sensational displays






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






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






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






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






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






14. Is the inability to recognize faces






15. Is the result of regeneration of retinal pigment






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






17. Along the visual pathway is the...






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






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

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






21. 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.






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






23. 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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24. 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






25. humans best hear at






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






27. 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.






28. Saying you detect a stimulus that is not there






29. 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






30. Correctly sensing a stimulus






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






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






33. 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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34. 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






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






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






37. 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






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






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






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






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






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






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






45. Has monocular and binocular cues






46. Why do cones see better than rods?






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






48. 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.






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






50. Or overlap of objects shows which objects are closer