Psyc581_Final_Exam2

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darwinguevarra
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45254
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Psyc581_Final_Exam2
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2010-10-26 20:05:17
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psyc581final
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Exam 2 Multiple Choice Test
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  1. Damage to the magnocellular pathway would most likely lead to the loss of
    A. color vision.
    B. color constancy.
    C. motion perception.
    D. shape perception.
    C. motion perception.
    (this multiple choice question has been scrambled)
  2. When cells in the middle temporal cortex respond to visual stimuli, their response depends mostly on the :
    A. speed and direction of movement.
    B. exact shape of the object.
    C. color and brightness of the object.
    D. exact location of the object in visual space.
    A. speed and direction of movement.
    (this multiple choice question has been scrambled)
  3. Color perception depends MOSTLY on the:
    A. lateral geniculate.
    B. superior colliculus.
    C. magnocellular pathway.
    D. parvocellular pathway.
    D. parvocellular pathway.
    (this multiple choice question has been scrambled)
  4. Which of the following characterizes the fovea?
    A. It has the greatest perception of detail.
    B. It surrounds the point of exits of the optic nerve.
    C. It falls in the shadow cast by the pupil.
    D. It has more rods than cones.
    A. It has the greatest perception of detail.
    (this multiple choice question has been scrambled)
  5. To what does "shape constancy" refer?
    A. Objects described from memory are described as more symmetrical than they actually were when we saw them.
    B. All neurons within a single column have the same shape of dendritic tree.
    C. We can recognize objects even at different orientations.
    D. No matter how big we get, our mothers still see us as children.
    C. We can recognize objects even at different orientations.
    (this multiple choice question has been scrambled)
  6. The visual path in the parietal cortex is referred to as the:
    A. dorsal stream.
    B. magnocellular pathway.
    C. ventral stream.
    D. parvocellular pathway.
    A. dorsal stream.
    (this multiple choice question has been scrambled)
  7. According to the trichromatic theory of color vision:
    A. rods are important for perception of light colors.
    B. there are only three rods and three cones in each eye.
    C. there are only three colors of light in the world.
    D. our perception of color depends on the relative activity of three types of cones.
    D. our perception of color depends on the relative activity of three types of cones.
    (this multiple choice question has been scrambled)
  8. The one additional feature that hypercomplex cells have that complex cells don't have is:
    A. they respond to bars of light in more than one orientation.
    B. they have receptive fields that are triangular.
    C. they respond to their receptive field faster.
    D. hypercomplex cells have a strong inhibitory area at one end of its receptive field.
    D. hypercomplex cells have a strong inhibitory area at one end of its receptive field
    (this multiple choice question has been scrambled)
  9. What type of cell responds to a pattern of light in a particular orientation anywhere within its large receptive field, regardless of the exact location of the stimulus?
    A. complex
    B. simple
    C. ganglion
    D. bipolar
    A. complex
    (this multiple choice question has been scrambled)
  10. An inability to recognize objects despite otherwise satisfactory vision is called:
    A. visual agnosia.
    B. prospagnosia.
    C. blindsight.
    D. hemianopsia.
    A. visual agnosia.
    (this multiple choice question has been scrambled)
  11. Streoscopic depth perception requires the brain to detect:
    A. contrasting imagery.
    B. retinal disparity.
    C. amblyopia.
    D. strabismus.
    B. retinal disparity.
    (this multiple choice question has been scrambled)
  12. Visual information from the lateral geniculate area goes to the:
    A. primary visual cortex.
    B. retina.
    C. thalamus.
    D. hypothalamus.
    A. primary visual cortex
    (this multiple choice question has been scrambled)
  13. The ability that you have to determine that your ryes are moving, instead of the room that you are in, is a function of which brain area?
    A. MT
    B. inferior temporal cortex
    C. primary visual cortex
    D. area MST
    D. area MST
    (this multiple choice question has been scrambled)
  14. The primary visual cortex is also known as the:
    A. parvocellular area.
    B. area V2.
    C. lateral geniculate nucleus.
    D. striate cortex.
    D. striate cortex.
    (this multiple choice question has been scrambled)
  15. The retinas of predatory birds such as hawks:
    A. are virtually indistinguishable from the retinas of humans.
    B. have a greater density of receptors than do humans on the top half of the retina.
    C. have a greater density of receptors than do humans on the bottom half of the retina.
    D. have no discernible fovea.
    B. have a greater density of receptors than do humans on the top half of the retina.
    (this multiple choice question has been scrambled)
  16. Blindsight refers to:
    A. the inability to see flashing light.
    B. the ability to merge together information from your two eyes even though they do not see the exact same picture.
    C. improved hearing and touch in blind people.
    D. the ability to localize visual objects within an apparently blind visual field.
    D. the ability to localize visual objects within an apparently blind visual field.
    (this multiple choice question has been scrambled)
  17. Cortical area ____ appears to be where conscious visual perception occurs.
    A. V2
    B. V1
    C. V4
    D. V3
    B. V1
    (this multiple choice question has been scrambled)
  18. Once information is sent to the secondary visual cortex it:
    A. goes mostly to the primary motor cortex.
    B. is sent back to the retina.
    C. may return to the primary visual cortex.
    D. has reached its final processing destination.
    C. may return to the primary visual cortex.
    (this multiple choice question has been scrambled)
  19. Magnocellular cells are to ___ as parvocellular cells are to ____.
    A. movement; color
    B. color; wake-sleep cycles
    C. wake-sleep cycles; movement
    D. detail; color
    A. movement; color
    (this multiple choice question has been scrambled)
  20. The pathway associated with integrating vision and movement progresses from the occipital cortex to the:
    A. visual cortex.
    B. temporal cortex.
    C. frontal lobe.
    D. parietal cortex.
    D. parietal cortex.
    (this multiple choice question has been scrambled)
  21. Color constancy depends on which part of the nervous system?
    A. area V4 of the occipital lobe
    B. the postcentral gyrus
    C. area V1 of the temporal lobe
    D. rods
    A. area V4 of the occipital lobe
    (this multiple choice question has been scrambled)
  22. In comparison to the rods, cones are more:
    A. common toward the peripher of the retina.
    B. common in rodents and other nocturnal animals.
    C. sensitive to dim light.
    D. sensitive to detail.
    D. sensitive to detail.
    (this multiple choice question has been scrambled)
  23. Which cell responds most strongly to a stimulus moving perpendicular to its axis?
    A. ganglion
    B. lateral geniculate
    C. simple
    D. complex
    D. complex
    (this multiple choice question has been scrambled)
  24. In the case of blindsight, losing concious visual perception would most likely be associated with:
    A. enhanced visual dreams.
    B. increased olfactory perception.
    C. massive damage to the optic nerves.
    D. loss of visual imagination.
    D. loss of visual imagination.
    (this multiple choice question has been scrambled)
  25. How do the receptive fields of the inferior temporal cortex compare to those of the primary visual cortex?
    A. They are sensitive to larger, more complicated patterns.
    B. They are more sensitive to identifying exact locations.
    C. they are located lower in the retina.
    D. They are smaller and more symmetrical.
    A. They are sensitive to larger more complicated patterns.
    (this multiple choice question has been scrambled)
  26. Ganglion cells near the fovea in humans and other primates are called ____ ganglion cells.
    A. cone-shaped
    B. giant
    C. reticulated
    D. midget
    D. midget
    (this multiple choice question has been scrambled)
  27. If we compare the receptive fields of two simple cells in the primary visual cortex, chosen at random, in what way are they most likely to differ?
    A. orientation (angle) of a line that they respond to
    B. shape
    C. whether they respond to colored light as well as white light
    D. the size of their receptive field
    A. orientation (angle) of a line that they respond to
    (this multiple choice question has been scrambled)
  28. When individuals with intact brains recognize faces, activity:
    A. decreases in the fusiform gyrus.
    B. decreases in the prefrontal cortex.
    C. increases in the fusiform gyrus.
    D. increases int he fovea.
    C. increases in the fusiform gyrus.
    (this multiple choice question has been scrambled)
  29. ____ are chemicals that release energy when struck by light.
    A. photosins
    B. photopigments
    C. phototransmitters
    D. photoions
    B. photopigments
    (this multiple choice question has been scrambled)
  30. A man has suffered brain damage that has left him unable to recognize the faces of his wife and children, although he can identify them by their voices. What is his condition?
    A. aphasia
    B. prosopagnosia
    C. lateral inhibition
    D. motion blindness
    B. prosopagnosia
    (this multiple choice question has been scrambled)
  31. Which theory emphasizes the idea that color vision depends on the relative responses of three kinds of cones?
    A. opponent-process theory
    B. retinal theory
    C. volley theory
    D. Young-Helmholtz theory
    D. Young-Helmholtz theory
    (this multiple choice question has been scrambled)
  32. Initially, researchers determined how many types of receptors we have for determining color:
    A. through genetic markers.
    B. by developing a trichromatic spectrometer.
    C. through the use of biochemical methods.
    D. through psychophysical observations.
    D. through psychophysical observations.
    (this multiple choice question has been scrambled)
  33. Various types of ____ cells refine the input to ganglion cells, enabling them to respond specifically to shapes, movement, or other visual features.
    A. geniculate cells
    B. optic nerves
    C. receptors
    D. amacrine cells
    D. amacrine cells
    (this multiple choice question has been scrambled)
  34. People with motion blindness probably have suffered damage to the:
    A. retina.
    B. middle-temporal cortex.
    C. striate cortex.
    D. corpus callosum.
    B. middle-temporal cortex.
    (this multiple choice question has been scrambled)
  35. The name of the point at which the optic nerve leaves the retina is called the:
    A. optic chiasm.
    B. blind spot.
    C. fovea.
    D. ganglion.
    B. blind spot.
    (this multiple choice question has been scrambled)
  36. What is the shape of the receptive field to which a simple cell in the primary visual cortex responds?
    A. circle of a particular radius
    B. circle with a hole int he middle
    C. bar of a particular length
    D. bar in a particular orientation
    D. bar in a particular orientation
    (this multiple choice question has been scrambled)
  37. ____ modify the ____ sensitivity to different wavelengths of light.
    A. photopigments; opsins
    B. opsins; retinol
    C. opsins; photopigments
    D. retinol; photopigments
    C. opsins; photopigments
    (this multiple choice question has been scrambled)
  38. Why does the periphery of the retina detect faint lights better thant he fovea does?
    A. The periphery has a higher ratio of cones to rods.
    B. more receptors converge their input onto each bipolar cells.
    C. The lens focuses light more accurately in the periphery than int he fovea.
    D. Receptors are packed more tightly in the periphery than in the fovea.
    B. more receptors converge their input onto each bipolar cells.
    (this multiple choice question has been scrambled)
  39. In the human retina, messages go from receptors at the back of the eye to ____.
    A. ganglion cells
    B. retina cells
    C. spiny cells
    D. bipolar cells
    D. bipolar cells
    (this multiple choice question has been scrambled)
  40. Which of the following is TRUE according to the law of of specific nerve energies?
    A. Any stimulation of the auditory nerve is perceived as sound.
    B. Each sensory system has a unique electrical charge.
    C. A single nerve can convey either auditory or visual information.
    D. If one sensory system becomes inactive, others will compensate.
    A. Any stimulation of the auditory nerve is perceived as sound.
    (this multiple choice question has been scrambled)

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