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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. 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






2. 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






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






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






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






6. 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.






7. Is the result of regeneration of retinal pigment






8. 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.






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






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






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






12. Located by the cornea






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






14. Rightly stating that no stimulus exists






15. 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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16. Along the visual pathway is the...






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






18. 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.






19. Failing to detect a present stimulus






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






21. Or overlap of objects shows which objects are closer






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






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






24. Found that infants prefer relatively complex and sensational displays






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






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






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






28. 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.






29. Correctly sensing a stimulus






30. The chemical that aids the receptor cells in transduction






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






32. Has monocular and binocular cues






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






34. 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






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






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






37. 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'






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






39. Defined the Just Noticeable Difference






40. The overarching Gestalt idea that experience will be organized as meaningful - symmetrical - and simple whenever possible.






41. 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.






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






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






44. Is the inability to recognize faces






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






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






47. 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.






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






49. 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






50. Famous for the theory of color blindness






Can you answer 50 questions in 15 minutes?



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