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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. 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.






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






3. How we organize or experience sensations






4. 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






5. 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.






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






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






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






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






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






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






12. 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.






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






14. 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






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






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






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






18. Located by the cornea






19. Defined the Just Noticeable Difference






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






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






23. 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






24. 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.






25. Has monocular and binocular cues






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

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27. Or overlap of objects shows which objects are closer






28. 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






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






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






31. Refers to how we see texture or fine detail differently from different distances






32. Is the tendency to complete incomplete figures






33. 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.






34. Correctly sensing a stimulus






35. 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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36. 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.






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






38. 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






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






40. 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.






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






42. The feeling that results from physical stimulation






43. Best at seeing fine details






44. Asserts that perception and cognition are largely innate






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






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






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






48. Famous for the theory of color blindness






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






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