What do phantom limb sensations tell us?
A. (A) the cortical neurons have plasticity for rearrangement
B. (B) the somatotopic mapping is unchangeable
C. (C) phantom limb sensation disappears quickly in several hours
D. (D) all of above
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How do our eyes process object’s color, direction, orientation at the same time?
A. (A) via labeled line coding
B. (B) via population coding
C. (C) via parallel processing
D. (D) via feedback processing
Which is correct about the spatial distribution of photoreceptors in the retina?
A. (A) rods and cones are distributed evenly across the retina
B. (B) rods cluster at the nasal side of the retina
C. (C) cones are highly concentrated at the fovea
D. (D) cones are randomly distributed on the optic disc
Which description is correct about ribbon synapses in the visual system?
A. (A) Ribbon synapses can be found only at the outer plexiform layer
B. (B) Ribbon synapses can increase the efficiency of synaptic transmission
C. (C) Ribbon synapses are special structures for connecting rods and cones
D. (D) all of above
Where can you find the pinwheel organization of orientation sensitive neurons?
A. (A) retina
B. (B) optic nerves
C. (C) lateral geniculate nucleus
D. (D) primary visual cortex
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