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






2. 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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3. Along the visual pathway is the...






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






5. 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






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






7. 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






8. 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






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






10. 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.






11. Located by the cornea






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






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






14. How we organize or experience sensations






15. 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.






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






17. Saying you detect a stimulus that is not there






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






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






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






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






22. 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'






23. The feeling that results from physical stimulation






24. Why do cones see better than rods?






25. 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






26. Found that infants prefer relatively complex and sensational displays






27. Is the tendency to complete incomplete figures






28. 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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29. 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.






30. He tendency to group together items that are near each other






31. 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.






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






33. 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






34. 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






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






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






37. Is the inability to recognize faces






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

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






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






41. Factors into why we see what we expect to see






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






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






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






45. 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






46. Or overlap of objects shows which objects are closer






47. Best at seeing fine details






48. 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






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






50. humans best hear at