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






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






3. 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.






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






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






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






7. Defined the Just Noticeable Difference






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






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






10. We see objects because of the light they reflect






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






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






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






14. Proposed the perceptual development and optic array






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






16. Rightly stating that no stimulus exists






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






18. Asserts that perception and cognition are largely innate






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






20. 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






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






22. 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.






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






24. Why do cones see better than rods?






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






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






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






28. 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






29. 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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30. 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






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






32. Best at seeing fine details






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






34. The physical intensity of light






35. Located by the cornea






36. Failing to detect a present stimulus






37. 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






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






39. How people perceive objects in the way that they are familiar with them - regardless of changes in the actual retinal image. A book - for example - is perceived as rectangular in shape no matter what angle it is seen from.






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






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






42. 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.






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






44. 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.






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






46. 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






47. 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.






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






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