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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 optic nerve is made up of...






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






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






4. 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.






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






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






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






8. Saying you detect a stimulus that is not there






9. 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






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






11. The feeling that results from physical stimulation






12. 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.






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






14. 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.






15. Is the tendency to complete incomplete figures






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






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






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






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






20. The physical intensity of light






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






22. Best at seeing fine details






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

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24. 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






25. 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






26. Along the visual pathway is the...






27. 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






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






29. A theory for color vision. It suggests that two types of color sensitive cells exist: Cones that respond to blue-yellow colors and cones that respond to red-green. When one color of the cone is stimulated - the other is inhibited.






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






31. 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






32. Correctly sensing a stimulus






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






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






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






36. 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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37. Failing to detect a present stimulus






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






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






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






41. humans best hear at






42. 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






43. 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.






44. Comes from the complexity of the sound wave






45. 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






46. The clear protective coating on the outside of the eye






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






48. 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'






49. 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






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