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






2. Asserts that perception and cognition are largely innate






3. 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






4. The chemical that aids the receptor cells in transduction






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






6. 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






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






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






9. 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






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






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






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






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






14. Proposed the opponent color/process theory






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






17. 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.






18. 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.






19. Defined the Just Noticeable Difference






20. 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'






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






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






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






24. 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.






25. humans best hear at






26. 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.






27. 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






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






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






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






31. 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.






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






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






34. 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.






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






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






37. Is the inability to recognize faces






38. 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






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






40. Located by the cornea






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






42. The feeling that results from physical stimulation






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






44. Comes from the complexity of the sound wave






45. Found that infants prefer relatively complex and sensational displays






46. Best at seeing fine details






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






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






49. 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






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







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