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






2. Where half of all fibers from the optic nerve of each eye cross over and join the optic nerve from the other eye. This insures input from each eye will be put together in a full picture in the brain.






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






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






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






6. Asserts that perception and cognition are largely innate






7. 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'






8. Rightly stating that no stimulus exists






9. 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.






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






11. 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.






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






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






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






15. humans best hear at






16. Or overlap of objects shows which objects are closer






17. Failing to detect a present stimulus






18. 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






19. Famous for the theory of color blindness






20. The physical intensity of light






21. Along the visual pathway is the...






22. Is the tendency to complete incomplete figures






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






24. Comes from the complexity of the sound wave






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






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






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






28. 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






29. Proposed the perceptual development and optic array






30. Correctly sensing a stimulus






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






32. We see objects because of the light they reflect






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






34. The chemical that aids the receptor cells in transduction






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






36. Located by the cornea






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






38. Is the inability to recognize faces






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. 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






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






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

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






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






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






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






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






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






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