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






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






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






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






6. Best at seeing fine details






7. After the optic chasm - information travels to the...






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






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






10. 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.






11. Has monocular and binocular cues






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

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






14. The physical intensity of light






15. 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'






16. 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.






17. Asserts that perception and cognition are largely innate






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






19. Proposed the perceptual development and optic array






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






21. Is the inability to recognize faces






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






23. Located by the cornea






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






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






27. 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.






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






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






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. Why do cones see better than rods?






32. We see objects because of the light they reflect






33. 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.






34. How we organize or experience sensations






35. Rightly stating that no stimulus exists






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






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






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






39. 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






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






41. 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.






42. 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






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






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






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






46. Is the result of regeneration of retinal pigment






47. 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






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






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






50. Comes from the complexity of the sound wave