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






2. Correctly sensing a stimulus






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






4. 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






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






6. 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.






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






8. 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.






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






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






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






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






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






14. 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






15. The feeling that results from physical stimulation






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






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






18. 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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19. Factors into why we see what we expect to see






20. Or overlap of objects shows which objects are closer






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






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






23. Is the inability to recognize faces






24. Failing to detect a present stimulus






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






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






27. Why do cones see better than rods?






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






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






30. 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.






31. 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






32. 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






33. Proposed the opponent color/process theory






34. 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.






35. 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.






36. The physical intensity of light






37. Famous for the theory of color blindness






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






39. 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






40. The chemical that aids the receptor cells in transduction






41. humans best hear at






42. Rightly stating that no stimulus exists






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






44. We see objects because of the light they reflect






45. 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






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






47. Best at seeing fine details






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






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






50. 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.