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GRE Psychology: Perception Sensation

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Is the tendency to complete incomplete figures






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






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






4. 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






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






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






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






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






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






11. 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.






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






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






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






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






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






17. Famous for the theory of color blindness






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






19. 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.






20. 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






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






22. 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






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






24. 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.






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






26. We see objects because of the light they reflect






27. The feeling that results from physical stimulation






28. Has monocular and binocular cues






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






30. 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






31. 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.






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

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






34. Located by the cornea






35. 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






36. Or overlap of objects shows which objects are closer






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






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






39. 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.






40. Proposed the opponent color/process theory






41. Rightly stating that no stimulus exists






42. 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






43. 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






44. Defined the Just Noticeable Difference






45. 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.






46. Is the result of regeneration of retinal pigment






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






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






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






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







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