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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. Comes from the complexity of the sound wave






2. Found that infants prefer relatively complex and sensational displays






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






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






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






7. 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






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






9. 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.






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






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






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






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






14. Located by the cornea






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






16. Is the inability to recognize faces






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






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






19. Or overlap of objects shows which objects are closer






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






21. 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






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






23. 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






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






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






26. Is the tendency to complete incomplete figures






27. 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.






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






29. 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.






30. The physical intensity of light






31. 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






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

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






34. Proposed the perceptual development and optic array






35. Best at seeing fine details






36. Saying you detect a stimulus that is not there






37. Asserts that perception and cognition are largely innate






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






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






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






41. 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






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






43. Failing to detect a present stimulus






44. 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.






45. The feeling that results from physical stimulation






46. Correctly sensing a stimulus






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






48. 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






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






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