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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. 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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2. The feeling that results from physical stimulation






3. Is the tendency to complete incomplete figures






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






5. Has monocular and binocular cues






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






7. 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






8. Ambiguous figures - such as the Rubin vase. They can be perceived as two different things depending on which part you see as the figure and which part you see as the background.






9. 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






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






11. 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.






12. Proposed the opponent color/process theory






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






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






15. Found that infants prefer relatively complex and sensational displays






16. Located by the cornea






17. 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






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






19. The chemical that aids the receptor cells in transduction






20. We see objects because of the light they reflect






21. Failing to detect a present stimulus






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






23. 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.






24. 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






25. Curces are graphical representations of a subject'S sensitivity to a stimulus






26. 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.






27. 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






28. humans best hear at






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






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






31. Comes from the complexity of the sound wave






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






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






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






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






37. 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.






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






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

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






41. 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.






42. Is the result of regeneration of retinal pigment






43. 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.






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






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






46. Saying you detect a stimulus that is not there






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






48. 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






49. Correctly sensing a stimulus






50. 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.