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






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






3. Is the inability to recognize faces






4. 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.






5. Along the visual pathway is the...






6. 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






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






8. Or overlap of objects shows which objects are closer






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






10. 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






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






12. 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






13. 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






14. 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






15. Comes from the complexity of the sound wave






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






17. Best at seeing fine details






18. Consists of the parts you see called the pinna and the auditory canal. Vibrations from sound move down this canal to the middle ear.






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






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






21. humans best hear at






22. We see objects because of the light they reflect






23. 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.






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






25. Proposed the perceptual development and optic array






26. The feeling that results from physical stimulation






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






28. Famous for the theory of color blindness






29. Why do cones see better than rods?






30. 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.






31. The physical intensity of light






32. 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.






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






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






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






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

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






38. 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.






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






40. 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.






41. 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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42. Is the tendency to complete incomplete figures






43. 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






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






45. Is the result of regeneration of retinal pigment






46. 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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47. Proposed the opponent color/process theory






48. 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.






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






50. 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