2. Which does not the CPG depend on?
A. (A) the pattern of interconnections between neurons
B. (B) circadian rhythm
C. (C) properties of the synaptic junctions between neurons
D. (D) cellular properties of individual neurons within the network
1. Which is wrong about the neural mechanisms controlling quadrupedal stepping?
A. (A) supraspinal commands are not necessary for producing the basic motor pattern
B. (B) basic rhythmicity is produced by the neural circuit of spinal cord
C. (C) tonic descending signals from the brain can modulate the spinal circuit
D. (D) spinal pattern-generating networks require sensory input from limbs
3. Which is correct about motor reflex?
A. (A) modification of spinal reflexes is an important process in learning motor skills
B. (B) proprioceptive reflexes play an important role in regulating both voluntary and automatic movements
C. (C) central motor commands and cognitive processes can alter synaptic transmission in spinal reflex pathways
D. (D) all of above
2. Which is wrong about the relationship between spinal reflex and motor cortex?
A. (A) motor cortex participates in short-latency response
B. (B) spinal reflex via motor cortex is important in regulating contraction of distal muscles
C. (C) Klippel-Feil syndrome is a defect of long-latency response
D. (D) Klippel-Feil syndrome affects movements bilaterally
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