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






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






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






4. Asserts that perception and cognition are largely innate






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






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






7. Rightly stating that no stimulus exists






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






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






10. 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.






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






12. Proposed the opponent color/process theory






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






14. 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.






15. Why do cones see better than rods?






16. Along the visual pathway is the...






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. 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






19. 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






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






21. 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.






22. How we organize or experience sensations






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






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






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






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






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






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






29. 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.






30. Consists of one optic nerve connection each eye to 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. 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'






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






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






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. 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.






38. The chemical that aids the receptor cells in transduction






39. Has monocular and binocular cues






40. 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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41. 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.






42. 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






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






44. Is the result of regeneration of retinal pigment






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






46. Best at seeing fine details






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






48. Or overlap of objects shows which objects are closer






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






50. Is the inability to recognize faces