https://vimeo.com/117815404

• Vision wrap-up
• Quiz 4
• Go over Exam 3

• Columns
  • Color/wavelength
  • Eye of origin, ocular dominance

• Larger, more complex receptive fields
• Dorsal stream (where/how)
  • Toward parietal lobe
• Ventral stream (what)

• What is it? (form perception)
• Where is it? (space perception)
• How do I get from here to there (action control)
• What time (or time of year) is it?

2). This circuit has a/an ???? branch in which stretch receptors in intrafusal muscle fibers ???? the extrafusal muscle fibers from the antagonist muscle.

A. polysynaptic; inhibit.
B. autonomic; inhibit.
C. monosynaptic; excite.
D. monosynaptic; inhibit.

2). This circuit has a/an ???? branch in which stretch receptors in intrafusal muscle fibers ???? the extrafusal muscle fibers from the antagonist muscle.

A. polysynaptic; inhibit.
B. autonomic; inhibit.
C. monosynaptic; excite.
D. monosynaptic; inhibit.

Reference

3). Plutchik’s biological approach to emotion focuses on an emotion’s ???? and ????.

A. subjective feelings; facial expressions.
B. action tendencies (tendency to approach or avoid); valence (positive/negative).
C. intensity; subjective feelings.
D. influence on on reproduction; link to defense behavior.

3). Plutchik’s biological approach to emotion focuses on an emotion’s ???? and ????.

A. subjective feelings; facial expressions.
B. action tendencies (tendency to approach or avoid); valence (positive/negative).
C. intensity; subjective feelings.
D. influence on on reproduction; link to defense behavior.

Reference

5). The primary purpose of the extrafusal muscle fibers is to ????

A. Generate force.
B. Inhibit the contraction of muscles.
C. Sense tension/length.
D. All of the above.

5). The primary purpose of the extrafusal muscle fibers is to ????

A. Generate force.
B. Inhibit the contraction of muscles.
C. Sense tension/length.
D. All of the above.

Reference

8). One might be tempted to call the fingertips “the somatosensory fovea” for all of the following reasons EXCEPT:

A. Both the fingertips and the fovea have high receptor cell densities.
B. Both the fingertips and the fovea have high perceptual acuity.
C. Both the fingertips and the fovea activate small areas of the cerebral cortex.
D. The scanning movements of both the fingertips and the fovea are precisely controlled by the motor system.

8). One might be tempted to call the fingertips “the somatosensory fovea” for all of the following reasons EXCEPT:

A. Both the fingertips and the fovea have high receptor cell densities.
B. Both the fingertips and the fovea have high perceptual acuity.
C. Both the fingertips and the fovea activate small areas of the cerebral cortex.
D. The scanning movements of both the fingertips and the fovea are precisely controlled by the motor system.

12). The human cerebellum is ???? the rest of the brain when comparing it to related animal groups.

A. larger than
B. smaller than
C. the same size as
D. less dense than

12). The human cerebellum is ???? the rest of the brain when comparing it to related animal groups.

A. larger than
B. smaller than
C. the same size as
D. less dense than

Reference

17). When you tap your eyeball, the world ????. This ???? Dr. Wolpert’s suggestion that the brain computes predictions about future sensory states.

A. seems to move; supports.
B. remains still; supports.
C. seems to move; undermines.
D. remains still; undermines.

17). When you tap your eyeball, the world ????. This ???? Dr. Wolpert’s suggestion that the brain computes predictions about future sensory states.

A. seems to move; supports.
B. remains still; supports.
C. seems to move; undermines.
D. remains still; undermines.

18). Diffusion Tensor Imaging (DTI) is a/an ???? MRI method that provides information about ????.

A. functional; how neurotransmitters diffuse across the synaptic cleft
B. functional; the blood oxygen-level dependent (BOLD) response
C. structural; connectivity between brain areas
D. structural; the branching structure of neuronal dendrites

18). Diffusion Tensor Imaging (DTI) is a/an ???? MRI method that provides information about ????.

A. functional; how neurotransmitters diffuse across the synaptic cleft
B. functional; the blood oxygen-level dependent (BOLD) response
C. structural; connectivity between brain areas
D. structural; the branching structure of neuronal dendrites

Reference

23). Touch receptors enervating the skin on the ???? have especially small receptive fields.

A. Face.
B. Calf.
C. Neck
D. Back.

23). Touch receptors enervating the skin on the ???? have especially small receptive fields.

A. Face.
B. Calf.
C. Neck
D. Back.

Reference

24). Perceptual sensitivity is NOT related to which of the following?

A. Receptor density.
B. Speed of propagation.
C. Receptive field size.
D. Size of the cortical area.

24). Perceptual sensitivity is NOT related to which of the following?

A. Receptor density.
B. Speed of propagation.
C. Receptive field size.
D. Size of the cortical area.

37). Elephants have high levels of dexterity (fine motor control) in their trunks. Somatosensory neurons in the trunk region of the elephant‘s S1 are likely to have ???.

A. Small receptive fields.
B. Large receptive fields.
C. Weak projections to corresponding regions of M1.
D. Low levels of myelination.

37). Elephants have high levels of dexterity (fine motor control) in their trunks. Somatosensory neurons in the trunk region of the elephant‘s S1 are likely to have ????.

A. Small receptive fields.
B. Large receptive fields.
C. Weak projections to corresponding regions of M1.
D. Low levels of myelination.

41). Which of these is NOT true about individuals with schizophrenia?

A. About half of them have a moderate form that is manageable.
B. About a third of them have a mild form that resolves.
C. They show decreased cortical thickness in adolescence.
D. They can exhibit delusional thoughts, hallucinations, mood issues, and behavioral abnormalities.

41). Which of these is NOT true about individuals with schizophrenia?

A. About half of them have a moderate form that is manageable.
B. About a third of them have a mild form that resolves.
C. They show decreased cortical thickness in adolescence.
D. They can exhibit delusional thoughts, hallucinations, mood issues, and behavioral abnormalities.

Reference

42). The projection from the ???? to the ???? is a major pathway in the brain’s ‘reward’ system.

A. Ventral tegmental area (VTA); nucleus accumbens/ventral striatum.
B. Substantia nigra; striatum.
C. Ventral tegmental area (VTA); amygdala.
D. Hypothalamus; adrenal medulla.

42). The projection from the ???? to the ???? is a major pathway in the brain’s ‘reward’ system.

A. Ventral tegmental area (VTA); nucleus accumbens/ventral striatum.
B. Substantia nigra; striatum.
C. Ventral tegmental area (VTA); amygdala.
D. Hypothalamus; adrenal medulla.

Reference

43). What did Dr. Wolpert say the sea squirt does after it finds a home on a rock?

A. Looks for something to eat.
B. Eats its own brain.
C. Rests and digests.
D. Starts seeking a mate.

43). What did Dr. Wolpert say the sea squirt does after it finds a home on a rock?

A. Looks for something to eat.
B. Eats its own brain.
C. Rests and digests.
D. Starts seeking a mate.

Reference