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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. Defined the Just Noticeable Difference






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






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






4. 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






5. The chemical that aids the receptor cells in transduction






6. 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






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






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






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






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






11. 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






12. Why do cones see better than rods?






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






14. 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'






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






17. 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.






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






19. 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






20. Is the result of regeneration of retinal pigment






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






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






23. Is the inability to recognize faces






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






26. 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.






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






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






29. Is the tendency to complete incomplete figures






30. Famous for the theory of color blindness






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






32. 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






33. Saying you detect a stimulus that is not there






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






35. 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.






36. We see objects because of the light they reflect






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






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






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






40. 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.






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






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






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






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






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






46. 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.






47. The feeling that results from physical stimulation






48. Best at seeing fine details






49. Has monocular and binocular cues






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







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