Test Bank Docx 2nd Edition Chapter.8 Skeletomotor Control - Essentials of Cognitive Neuroscience 2e Test Bank by Postle. DOCX document preview.
Multiple Choice
- True or false: A recurrent circuit includes feedback.
- True
- False
- True or false: To reach for a glass, the motor cortex needs to specify a sequence of muscle contractions.
- True
- False
- The “fine-tuning” of movements carried out by the cerebellum is implemented by:
- The weakening of synaptic connections between parallel fibers and Purkinje cells
- The strengthening of synaptic connections between parallel fibers and Purkinje cells
- The mu rhythm, as recorded at central electrodes in the scalp EEG, occurs in which frequency band?:
- theta
- alpha
- beta
- gamma
- Descending motor fibers occupy:
A ventral spinal cord
B dorsal spinal cord
C medial spinal cord
D lateral spinal cord
- Reward prediction errors (RPEs) are most strongly associated with which neurotransmitter system?
A ACh
B glutamate
C GABA
D DA
Short Answer / Fill-in-the-blank
- What three major circuits are critical for motor function?
- Name three of the five cortico-basal ganglia-thalamic circuits.
- What is “mu desychronization”?
- Give an example of what might happen with microstimulation of a specific location of the spinal cord.
- What is the function of the copy of the efferent motor signal that is sent to the cerebellum?
- Rather than the surface of the skin, what is the unit of representation of the motor homunculus?
- How is a negative reward prediction error is signaled by the brain?
- How is a negative reward prediction error is signaled by the brain?
Essay / Longer Answer
- What is efference copy? Why might it be useful?
- How do the representations in premotor cortex and supplementary motor cortex differ from those in primary motor cortex?
- What is population coding? What evidence is there for it from motor control?
- What evidence supports the idea that the dorsal visual stream might be better classified as representing “how” rather than “where”?
- What kinds of information come together in the cerebellum?
- Describe how the basal ganglia might serve a gating function to the neocortex.
- Describe what happens in the basal ganglia to account for why Parkinson’s patients have difficulty initiating movements.
- What is the principle, formalized by the Rescorla-Wagner model, that is central to reinforcement learning? Illustrate it by summarizing a hypothetical experiment.
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