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






2. The physical intensity of light






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






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






5. 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






6. 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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7. Involves both innate/sensory and is partially learned/conceptual






8. Found that infants prefer relatively complex and sensational displays






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






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






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






12. 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.






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






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






15. 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.






16. 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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17. 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.






18. Has monocular and binocular cues






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






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






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






22. Proposed the perceptual development and optic array






23. Is the result of regeneration of retinal pigment






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






25. 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






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






27. 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.






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

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29. Correctly sensing a stimulus






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






31. Located by the cornea






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






33. Proposed the opponent color/process theory






34. 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






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






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






37. Along the visual pathway is the...






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






39. Or overlap of objects shows which objects are closer






40. 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.






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






42. 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






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






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






45. Asserts that perception and cognition are largely innate






46. We see objects because of the light they reflect






47. humans best hear at






48. Rightly stating that no stimulus exists






49. Failing to detect a present stimulus






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