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






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






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






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






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






6. The physical intensity of light






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

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8. 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






9. We see objects because of the light they reflect






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






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






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






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






14. Defined the Just Noticeable Difference






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






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






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






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






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






21. 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.






22. 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






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






24. 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






25. 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






26. 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






27. 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.






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






29. Or overlap of objects shows which objects are closer






30. Rightly stating that no stimulus exists






31. humans best hear at






32. 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.






33. 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.






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






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






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






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






38. 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.






39. How we organize or experience sensations






40. Proposed the perceptual development and optic array






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






42. The feeling that results from physical stimulation






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






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






45. 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.






46. 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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47. Saying you detect a stimulus that is not there






48. Proposed the opponent color/process theory






49. 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.






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