Nociceptive information can be conducted via five ascending pathways. Which tract is responsible for conscious pain?
A. (A) spinothalamic tract
B. (B) spinoreticular tract
C. (C) cervicothalamic tract
D. (D) spinohypothalamic tract
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Which cell types are responsible for mediating lateral inhibition in the retina?
A. (A) cone and rod photoreceptors
B. (B) cone and rod bipolar cells
C. (C) horizontal and amacrine cells
D. (D) glial and ganglion cells
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
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
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