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






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. Asserts that perception and cognition are largely innate






4. 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






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






6. 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'






7. 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






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






9. We see objects because of the light they reflect






10. Has monocular and binocular cues






11. Why do cones see better than rods?






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






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






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






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






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






17. Proposed the opponent color/process theory






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






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






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






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






22. Takes place when receptors for a particular sense detect a stimulus.






23. All the things a person sees trains them to perceive






24. Is the result of regeneration of retinal pigment






25. 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.






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






27. Is the inability to recognize faces






28. The physical intensity of light






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






30. Best at seeing fine details






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

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






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






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






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






36. Located by the cornea






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






38. 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.






39. Suggests that there are three types of receptors in the retina: cones that respond to red - blue - or green






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






41. Comes from the complexity of the sound wave






42. 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.






43. Found that infants prefer relatively complex and sensational displays






44. 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.






45. 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.






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






47. 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.






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






49. humans best hear at






50. 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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