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GRE Psychology: Perception Sensation

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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 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






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






3. Correctly sensing a stimulus






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






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






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






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






8. We see objects because of the light they reflect






9. 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






10. Best at seeing fine details






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






12. humans best hear at






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






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






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






16. 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






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






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






20. 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.






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






22. 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.






23. 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






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






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






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






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






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






29. Proposed the opponent color/process theory






30. 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






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






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






33. The chemical that aids the receptor cells in transduction






34. 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.






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






36. 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.






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






38. 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.






39. Failing to detect a present stimulus






40. Has monocular and binocular cues






41. 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






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






43. 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






44. Along the visual pathway is the...






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






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






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






48. 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.






49. Is the inability to recognize faces






50. Defined the Just Noticeable Difference







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