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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. The clear protective coating on the outside of the eye






2. Comes from the complexity of the sound wave






3. Located by the cornea






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

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6. Rightly stating that no stimulus exists






7. 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






8. 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.






9. Or overlap of objects shows which objects are closer






10. 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.






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






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






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






15. 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.






16. The chemical that aids the receptor cells in transduction






17. Found that infants prefer relatively complex and sensational displays






18. 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






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






20. 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.






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






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






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






24. 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






25. Defined the Just Noticeable Difference






26. Along the visual pathway is the...






27. The feeling that results from physical stimulation






28. How we organize or experience sensations






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






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






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






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






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






34. 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.






35. 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






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






37. The physical intensity of light






38. Proposed the perceptual development and optic array






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






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






41. 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'






42. 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






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






44. Proposed the opponent color/process theory






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






46. Correctly sensing a stimulus






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






48. 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.






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






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







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