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15 Cards in this Set
- Front
- Back
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What are the two parts of an open-loop system?
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Executive and effector
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When is an open-loop system most affective?
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In a closed environment
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Many movements are controlled in what type of system?
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Open-loop
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What are the three stages of the executive under the open-loop system?
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Stimulus identification, response selection, movement programming
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What is practice?
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Building more precise, stable and longer operating motor programs
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What are parameters?
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Features that are appropriate at the time a skill is performed
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What are invariant features?
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Movement characteristics that remain the same every time the specific skill is performed
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What is central pattern generator?
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Used to explain features of animal locomotion
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What is inhibiting actions evidence?
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Stopping a movement after already being in the process of making an action.
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What do open-loop organizations do?
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Define and issue commands to muscles that determine when, how long and how forcefully muscle should contract
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In what circumstances can skillful actions be carried out in the absence of sensory feedback?
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Habitual movements, when precision is not needed and when the movement can be completed quickly
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What is sensory neuropathy?
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A pathological condition
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What is dorsal rhizotomy?
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A surgical procedure
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When does the brain not receive afferent signals?
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When the CNS is deafferented
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What part of the CNS provides sensory feedback info?
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Afferent
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