NMC – Final Exam: L#2 Dynamical Systems Theory Q & A

Process of mastering redundant DOF of moving organism: Answer- coordination of
movement
Synergies not used by nervous system to eliminate redundant DOF, but to ensure
flexible and stable performance of motor tasks: Answer- principle of abundance
Overcompensate by limiting DOF.
As skills develop, we _, giving more variability of movement. Answerrelease more DOF
New movement patterns spontaneously emerge due to an interaction among
. Answer- subsystems
Motor tasks are problems to be solved; movement strategies generated by
_____
are the solutions to the problem Answer- collaboration of
multiple systems
Many subsystems collaborate to control movement, subsystems include: Answer-
•CNS
•Musculoskeletal systems
•Motivation
•Task characteristics
•Environmental conditions
As a result of internal cooperation of subsystems > Answer- new motor patterns spontaneously emerge as solutions to motor problems New movement emerges due to changes in subsystems Answer- one or
more
The likelihood of new movement emerging is related to the stability of the: Answerstability of the movement pattern – or the depth of the Attractor Well
If the person has a stable (abnormal) movement, the you must use a to
make them unstable so that you can get them to a functional stable state that works.
Answer- control parameter
An
state is going to be easier to change and modify. Answer- unstable
If an individual has a brain lesion and walks an abnormal way, but their motion is
stable -> Answer- that movement is harder to change than if they were walking
completely different every time (unstable)

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