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






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






3. Famous for the theory of color blindness






4. The chemical that aids the receptor cells in transduction






5. Is the tendency to complete incomplete figures






6. The feeling that results from physical stimulation






7. 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'






8. Best at seeing fine details






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






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






11. Asserts that perception and cognition are largely innate






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






13. 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.






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






15. We see objects because of the light they reflect






16. Correctly sensing a stimulus






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






18. 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






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






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






23. Defined the Just Noticeable Difference






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






25. Is the result of regeneration of retinal pigment






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






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






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






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






30. 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






31. 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.






32. Failing to detect a present stimulus






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






34. Proposed the opponent color/process theory






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






36. The optic nerve is made up of...






37. The physical intensity of light






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






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






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

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41. 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.






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






43. Saying you detect a stimulus that is not there






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. 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






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






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






48. Comes from the complexity of the sound wave






49. 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






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