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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. Rightly stating that no stimulus exists






2. Along the visual pathway is the...






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






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






6. Is the tendency to complete incomplete figures






7. Defined the Just Noticeable Difference






8. We see objects because of the light they reflect






9. 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






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






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






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






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






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






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






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






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






18. 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.






19. 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






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






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






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






23. Best at seeing fine details






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






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






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






27. 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.






28. Correctly sensing a stimulus






29. 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






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






32. 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






33. 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






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






35. humans best hear at






36. 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'






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






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






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






40. Suggests that there are three types of receptors in the retina: cones that respond to red - blue - or green






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






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






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






44. The feeling that results from physical stimulation






45. 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.






46. Famous for the theory of color blindness






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






48. 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.






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






50. 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