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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. 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.






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






3. Famous for the theory of color blindness






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






5. Consists of the bony labyrinth - a hollow cavity in the temporal bone of the skull with a system of passages comprising two main functional parts: The cochlea - dedicated to hearing; converting sound pressure patterns from the outer ear into electroc






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






7. humans best hear at






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






9. Refers to how we see texture or fine detail differently from different distances






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






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






12. 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.






13. 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.






14. Defined the Just Noticeable Difference






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. 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.






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






18. Along the visual pathway is the...






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






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






21. 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'






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






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






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






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

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






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






29. 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.






30. 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.






31. Or overlap of objects shows which objects are closer






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






33. 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






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






35. 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






36. 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






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






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






39. Is the tendency to complete incomplete figures






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






41. Comes from the complexity of the sound wave






42. Correctly sensing a stimulus






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






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






45. We see objects because of the light they reflect






46. Saying you detect a stimulus that is not there






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






48. Proposed the opponent color/process theory






49. 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






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