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






2. 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






3. 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






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






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






6. 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






7. 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






8. Proposed the perceptual development and optic array






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






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






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






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






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






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






15. 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






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






17. Along the visual pathway is the...






18. 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.






19. 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.






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






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. Correctly sensing a stimulus






23. 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






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






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






26. Failing to detect a present stimulus






27. 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.






28. Defined the Just Noticeable Difference






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






30. 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.






31. 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






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






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






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






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






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






37. Is the inability to recognize faces






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






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

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42. 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.






43. Best at seeing fine details






44. 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






45. Has been explained as the increasing ability of a child to make finer discriminations among stimuli.






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






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






48. Proposed the opponent color/process theory






49. Or overlap of objects shows which objects are closer






50. 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







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Can you answer 50 questions in 15 minutes?


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