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






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






3. We see objects because of the light they reflect






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






5. 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






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






7. 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.






8. 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.






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






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






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






12. 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.






13. Best at seeing fine details






14. Has monocular and binocular cues






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






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






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






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






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






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






21. 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.






22. Failing to detect a present stimulus






23. Defined the Just Noticeable Difference






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






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






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






27. The feeling that results from physical stimulation






28. Involves both innate/sensory and is partially learned/conceptual






29. Is the result of regeneration of retinal pigment






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

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31. 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






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






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






34. 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.






35. 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'






36. 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






37. Comes from the complexity of the sound wave






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






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






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






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






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






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






44. 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






45. 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






46. The overarching Gestalt idea that experience will be organized as meaningful - symmetrical - and simple whenever possible.






47. Correctly sensing a stimulus






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






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






50. 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