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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. How we organize or experience sensations






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






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






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






5. The physical intensity of light






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






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. Failing to detect a present stimulus






9. 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






10. 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.






11. Is the inability to recognize faces






12. 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.






13. Consists of the bony labyrinth - a hollow cavity in the temporal bone of the skull with a system of passages comprising two main functional parts: The cochlea - dedicated to hearing; converting sound pressure patterns from the outer ear into electroc






14. 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






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






16. 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.






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






18. 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.






19. Or overlap of objects shows which objects are closer






20. Asserts that perception and cognition are largely innate






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






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






23. Developed the visual cliff to study whether depth perception was innate






24. 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






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






26. 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






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






28. 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






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






30. 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.






31. 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






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






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

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34. 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






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






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






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






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






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






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






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






42. Along the visual pathway is the...






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






44. Has been explained as the increasing ability of a child to make finer discriminations among stimuli.






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. 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.






47. Is the result of regeneration of retinal pigment






48. 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






49. Best at seeing fine details






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