Which pair is correct about pain sensations?
A. (A) freezing pain is conducted via Aδ fibers
B. (B) pricking pain is conducted via C fibers
C. (C) burning does not cause second pain
D. (D) sharp stimuli activates mechanical nociceptors and causes second pain
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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
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
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