KNH 184 exam 3 Questions and Correct
Answers/ Latest Update / Already Graded
executive
Ans: sends movement instructions to effector
effector
Ans: executes movement instructions
instructions sent in advance
Ans: open loop characteristic
instructions executed without interuption
Ans: open loop characteristic
no way to correct errors because of no feedback
Ans: open loop characteristic
best used in stable environments not useful in changing environments
Ans: open loop characteristic
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what are good candidates for motor programs
Ans: kicking and typing- things we don't really have to think
about
what are deafferation studies
Ans: removing feedback
what do afferent neurons do
Ans: send nerve signals from the periphery to the spinal cord
what do efferent neurons do
Ans: send nerve signals from the spinal cord to th e peripherary
what is deafferation
Ans: severing afferent neurons
proprioceptive signals from muscles can or cannot reach the central
nervous system
Ans: cant
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motor pathways are or are not affected
Ans: are not
true or false movements must be centrally planned and directed
Ans: true
some of the most compelling evidence for motor programs comes
from
Ans: looking at the effects of mechanically blocking a limb
inhibiting actions basic premice
Ans: if a movement cannot be stopped it might be under the
control of something like a motor program
example of an inhibiting action
Ans: checked swing in baseball
example of inhibiting action experiment
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