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






2. Best at seeing fine details






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






4. 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.






5. 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






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






7. 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.






8. 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






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






10. Correctly sensing a stimulus






11. How we organize or experience sensations






12. Has monocular and binocular cues






13. 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.






14. Located by the cornea






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






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






18. humans best hear at






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






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






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






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






23. Proposed the perceptual development and optic array






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






25. Why do cones see better than rods?






26. The physical intensity of light






27. 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.






28. 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






29. 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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30. 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.






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






32. 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






33. 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






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. The part of the world that triggers a particular neuron






36. Is the result of regeneration of retinal pigment






37. 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






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






39. The chemical that aids the receptor cells in transduction






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






41. The feeling that results from physical stimulation






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






43. 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






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






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






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






47. Is the tendency to complete incomplete figures






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






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






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