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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 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






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






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






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






5. Found that infants prefer relatively complex and sensational displays






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






7. 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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8. The clear protective coating on the outside of the eye






9. humans best hear at






10. Famous for the theory of color blindness






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






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






13. The physical intensity of light






14. 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






15. 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






16. 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






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






18. 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






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






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






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






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






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






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






25. The feeling that results from physical stimulation






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






27. 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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28. Proposed the perceptual development and optic array






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






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






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






33. Along the visual pathway is the...






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






36. Saying you detect a stimulus that is not there






37. Is the inability to recognize faces






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






39. Is the tendency to complete incomplete figures






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






41. 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.






42. Proposed the opponent color/process theory






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






44. 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'






45. 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






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






47. 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.






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






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






50. 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