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






2. 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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3. The physical intensity of light






4. Comes from the complexity of the sound wave






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






6. The chemical that aids the receptor cells in transduction






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






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






9. We see objects because of the light they reflect






10. Located by the cornea






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






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






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






14. Correctly sensing a stimulus






15. Failing to detect a present stimulus






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






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






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






19. 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.






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






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






22. 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






23. Saying you detect a stimulus that is not there






24. Is the tendency to complete incomplete figures






25. 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






26. 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






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






28. Proposed the opponent color/process theory






29. Along the visual pathway is the...






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






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






32. 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.






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






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






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






36. humans best hear at






37. 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






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. Rightly stating that no stimulus exists






40. 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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41. 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.






42. Why do cones see better than rods?






43. 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.






44. 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






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






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






47. Is the inability to recognize faces






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

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






50. 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.