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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 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






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






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






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






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






6. Along the visual pathway is the...






7. 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






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






9. Found that infants prefer relatively complex and sensational displays






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






12. 1. closure 2. Proximity 3. Continuation or good continuation 4. Symmetry 5. Constancy 6. Minimum principle






13. Is the result of regeneration of retinal pigment






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






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






16. Saying you detect a stimulus that is not there






17. Proposed the opponent color/process theory






18. The chemical that aids the receptor cells in transduction






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






20. Failing to detect a present stimulus






21. 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






22. Comes from the complexity of the sound wave






23. The feeling that results from physical stimulation






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






25. How we organize or experience sensations






26. 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.






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






28. 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.






29. Is the tendency to complete incomplete figures






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






31. 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.






32. Proposed the perceptual development and optic array






33. 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






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






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






36. 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






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






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






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






41. 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






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






43. We see objects because of the light they reflect






44. The physical intensity of light






45. 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.






46. 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






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






48. 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






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






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