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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. 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.






2. The chemical that aids the receptor cells in transduction






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






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






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






6. 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






7. 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.






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






9. 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






10. Has monocular and binocular cues






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






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






13. 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.






14. Found that infants prefer relatively complex and sensational displays






15. Failing to detect a present stimulus






16. Proposed the perceptual development and optic array






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






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






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






20. 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






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






22. The physical intensity of light






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






24. Proposed the opponent color/process theory






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






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






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






28. 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






29. How we organize or experience sensations






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






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






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






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






34. Or overlap of objects shows which objects are closer






35. 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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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. 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.






38. Correctly sensing a stimulus






39. 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






40. 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






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






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






43. 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.






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






45. Is the tendency to complete incomplete figures






46. Best at seeing fine details






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






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






49. 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.






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

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