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






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






3. Proposed the perceptual development and optic array






4. 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.






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






6. Is the tendency to make figures out of symmetrical images






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






8. Why do cones see better than rods?






9. Famous for the theory of color blindness






10. 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






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






12. 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.






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






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






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






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






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






18. 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






19. Is the tendency to complete incomplete figures






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






21. Located by the cornea






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






23. 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






24. 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






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






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






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






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






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






30. 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






31. humans best hear at






32. 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






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






34. 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






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






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






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






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






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

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






41. Correctly sensing a stimulus






42. 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.






43. 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






44. 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.






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






46. Saying you detect a stimulus that is not there






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






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






49. Asserts that perception and cognition are largely innate






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







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