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






2. Proposed the opponent color/process theory






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






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






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






6. Found that infants prefer relatively complex and sensational displays






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






8. 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






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






10. The chemical that aids the receptor cells in transduction






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






12. 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.






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






14. 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.






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






16. 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.






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






18. 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






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






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






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






22. The physical intensity of light






23. 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.






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






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






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






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






28. Consists of the bony labyrinth - a hollow cavity in the temporal bone of the skull with a system of passages comprising two main functional parts: The cochlea - dedicated to hearing; converting sound pressure patterns from the outer ear into electroc






29. 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






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

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31. Rods and cones on the retina that are responsible for sensory transduction.






32. 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'






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






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






36. Famous for the theory of color blindness






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






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






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






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






41. Correctly sensing a stimulus






42. Failing to detect a present stimulus






43. Is the result of regeneration of retinal pigment






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






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






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






47. 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.






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






50. After images are perceived because of fatigued receptors. Because our eyes have a partially oppositional system for seeing colors - such as red-green or black-white - once on side is overstimulated and fatigued - it can no longer respond and is overs