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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. The physical intensity of light






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






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






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






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






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. 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.






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






10. 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






11. Asserts that perception and cognition are largely innate






12. 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






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






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






15. 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






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






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






18. Is the result of regeneration of retinal pigment






19. 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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20. 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






21. 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.






22. The chemical that aids the receptor cells in transduction






23. We see objects because of the light they reflect






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






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






26. Objects that have been drawn and can be perceived but are geometrically impossible






27. 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






28. 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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29. 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.






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






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






32. Proposed the opponent color/process theory






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






34. Best at seeing fine details






35. Comes from the complexity of the sound wave






36. 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






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






38. 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






39. 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






40. Has monocular and binocular cues






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






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






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






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






45. Rightly stating that no stimulus exists






46. Saying you detect a stimulus that is not there






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






48. Is the tendency to complete incomplete figures






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






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