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Return to Behavioral Neurobiology 3e student resources
Chapter 6 Self-test questions
Neuronal control of motor output
Quiz Content
*
not completed
.
Which of the following statements about proprioceptors is
not
correct?
Proprioceptors are receptors that provide information about mechanical forces arising from the body itself.
correct
incorrect
Proprioceptors include muscle spindles and joint receptors that deliver to the central nervous system sensory information essential for the accurate execution of movements.
correct
incorrect
Proprioceptors are complex neural structures that integrate sensory information and motor output commands.
correct
incorrect
Proprioceptors are involved in the neural control of stepping movements of limbs by half-centers in the spinal cord.
correct
incorrect
*
not completed
.
Which of the following statements about central pattern generators is correct?
The activity of central pattern generators is controlled by input from higher brain centers. As a consequence, their physiological activity cannot be studied after their isolation.
correct
incorrect
Central pattern generators have an intrinsic ability to generate a rhythmic output pattern.
correct
incorrect
The output pattern of central pattern generators is only determined by the autonomous activity of their neurons.
correct
incorrect
For the production of a rhythmic pattern by central pattern generator it is necessary that the underlying neural circuitry is intact.
correct
incorrect
*
not completed
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Which of the following are characteristic features of half-centers in the spinal cord that control the stepping movements of limbs? Please select all that apply.
Neurons within half-centers are capable of producing spontaneous neural activity.
correct
incorrect
Half-centers are symmetric assemblies of neurons that inhibit each other reciprocally.
correct
incorrect
The contractions of extensor and flexor muscles are controlled by opposing half-centers.
correct
incorrect
Neurons of opposing half-centers are activated simultaneously.
correct
incorrect
*
not completed
.
Which of the following statements is
not
correct?
Fictive behaviors can be observed in animals after administration of general anesthetics.
correct
incorrect
Fictive behaviors can be observed in animals after blocking synaptic transmission at the neuromuscular junction.
correct
incorrect
Fictive behaviors are sequences of motoneuron activity occurring without the production of actual movement.
correct
incorrect
Fictive behaviors can be monitored through extracellular and intracellular recordings from motoneurons.
correct
incorrect
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not completed
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Rebound firing involves production of action potential(s) by a neuron after it has been hyperpolarized.
True
correct
incorrect
False
correct
incorrect
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