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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. Defined the Just Noticeable Difference






2. 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.






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






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






5. Allow the cornea to bend (accommodate) in order to focus an image of the outside world onto the retina






6. The most famous of all visual illusions. Two horizontal lines of equal length appear unequal because of the orientation of the arrow marks at the end. Inward facing arrow marks make the line appear shorter than another line of the same length with ou






7. Found that infants prefer relatively complex and sensational displays






8. 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.






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






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

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11. 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






12. 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






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






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






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






16. Failing to detect a present stimulus






17. Located by the cornea






18. Comes from the complexity of the sound wave






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






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






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






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






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






24. Rightly stating that no stimulus exists






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






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






27. 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






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






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






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






31. Is composed of photons and waves measured by brightness and wavelengths






32. 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






33. 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






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






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






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






37. Proposed the perceptual development and optic array






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






39. We see objects because of the light they reflect






40. Along the visual pathway is the...






41. The chemical that aids the receptor cells in transduction






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






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






44. The feeling that results from physical stimulation






45. Is the tendency to complete incomplete figures






46. 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.






47. 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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48. How we organize or experience sensations






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






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