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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. Famous for the theory of color blindness






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






4. 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






5. Why do cones see better than rods?






6. 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






7. Or overlap of objects shows which objects are closer






8. Is the tendency to complete incomplete figures






9. Correctly sensing a stimulus






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






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






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






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






14. Defined the Just Noticeable Difference






15. 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






16. The moon looks larger when we see it on the horizon than when we see it in the sky. This is because the horizon contains visual cues that make the moon seem more distant than the overhead sky.






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






18. Best at seeing fine details






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






20. 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.






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






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






23. 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






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






25. We see objects because of the light they reflect






26. Has monocular and binocular cues






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






28. 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






29. Failing to detect a present stimulus






30. Is the inability to recognize faces






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






32. Rightly stating that no stimulus exists






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






34. Comes from the complexity of the sound wave






35. 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






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






37. The feeling that results from physical stimulation






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






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






40. 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.






41. 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.






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






43. 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






44. Saying you detect a stimulus that is not there






45. Suggests that subjects detect stimuli not only because they can but also because they want to. TSD factors motivation into the picture.

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46. 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.






47. Asserts that perception and cognition are largely innate






48. How we organize or experience sensations






49. humans best hear at






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







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