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






2. Failing to detect a present stimulus






3. humans best hear at






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






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






6. 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






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






8. 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






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






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. 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.






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






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






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






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






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






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






18. Best at seeing fine details






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






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






21. 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.






22. Is the tendency to complete incomplete figures






23. 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






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






25. 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'






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






27. Proposed the perceptual development and optic array






28. Found that infants prefer relatively complex and sensational displays






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






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






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






32. Saying you detect a stimulus that is not there






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






34. Consists of one optic nerve connection each eye to the brain.






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






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






37. 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






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

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39. 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






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






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






42. 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






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






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






45. 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.






46. The physical intensity of light






47. Defined the Just Noticeable Difference






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






49. Rightly stating that no stimulus exists






50. Located by the cornea