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






2. 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.






3. Saying you detect a stimulus that is not there






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






5. Failing to detect a present stimulus






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






7. The physical intensity of light






8. Has monocular and binocular cues






9. 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






10. Is the inability to recognize faces






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






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






13. Is when two horizontal lines of equal length appear unequal because of two vertical lines that slant inward






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






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






17. Comes from the complexity of the sound wave






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






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






20. Found that infants prefer relatively complex and sensational displays






21. 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






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






23. Proposed the perceptual development and optic array






24. 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






25. Suggests that there are three types of receptors in the retina: cones that respond to red - blue - or green






26. 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.






27. Why do cones see better than rods?






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






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






30. 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'






31. 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.






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






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






34. 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.






35. 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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36. Is the tendency to see what is easiest or logical to see






37. 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






38. Is the tendency to complete incomplete figures






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






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






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






42. 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






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






44. Proposed the opponent color/process theory






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






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






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






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






49. 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






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