Motor Learning Final
What is an example of internal force?
muscle contraction
What is the ability to adapt to different contexts, even with slight variations to the task itself?
Adaptability
What type of activity is it best to use the idea of whole task training?
Low complexity and high organization tasks
Mental practice in addition to physical practice is superior to what?
Physical practice alone
How does transfer of learning apply to practicing parts of a skill?
Positive transfer
What is the term referring to how body segments are aligned with each other and with the environment?
Postural alignment
What is the ability to maintain the desired alignment over a support surface to complete the task?
Postural stability
What is the practice described by "progressively adding each sequential part - progressive part method)"?
Segmentation
What is the general term given to movement problems when sensation is impaired?
Sensory ataxia
What are interdependent components of a task?
Things that HAVE to be together when practicing or completing that task
What are independent components of a task?
Things that can stand alone in terms of the completed motion/action
What is the Egress test used for?
This test was originally created as a screening tool to help staff assess a patient's gait and ability to safely transfer following bariatric surgery
During whole task practice, where is the attention directed?
To the key components of the movement
100% physical practice is far superior than what?
100% mental practice
Different combinations of mental and physical practice give results that are comparable to what?
100% physical practice
What is the duration of the working memory?
20-30 seconds
A goal for an open skill in the later stage of learning is __________.
Diversification
Should you have an internal or external focus?
External
When you cannot see a target, have impaired sensory pathways, or lack experience in how to interpret intact sensory processing what type of feedback is best?
augmented
What is a generic term used to describe information about a performance that supplements sensory feedback and comes from a source external to the performer?
augmented feedback
What law is related to the relationship of speed & accuracy?
Fitts Law
A goal for a closed skill in the later stage of learning is __________.
Fixation
What is performance outcome?
Focused on the goal and overall results (functional goals, scored points)
What is the practice that is described by "practicing the individual limbs with asymmetric and simultaneous coordination of limbs"?
Fractionization
It is essential that prehension practice of therapy strategies involving the components of reaching and grasping involve what?
Functional activities
When tactile sensation is removed you will typically see what?
Less accuracy with movements
Does performance outcomes or performance production matter more to our patients?
Performance outcomes
During locomotion, what type of vision provides info about spatial features of the terrain?
Peripheral
An example of water transitioning to boiling is an example of which motor theory?
dynamical systems theory
A change in the capability, or potential, of a person to perform a skill that must be inferred from a relatively permanent improvement in performance as a result of practice or experience is what?
learning
According to the ______________ theory, when conditions are right, identifiable movement patterns emerge.
Dynamical systems
Degrees of freedom closely relates to which motor theory?
Dynamical systems theory
What program is described as "complex interactions of many systems; nonlinear dynamics - things change dramatically"?
Dynamical systems theory
What is the capacity of the working memory?
7 items plus or minus 2
What occurs between the two stable phases as velocity increases?
A phase transition
What is an action or task with a goal or purpose?
A skill
What are the three levels for analyzing motor behavior?
Activities, movements & neuromotor processes
What order should we train our patient regarding action, movement pattern & neuromotor processing?
Activity goal -> movement -> neuromotor processing
What is a general trait or capacity of the individual that determines achievement potential with a specific skill?
An ability
What are states of coordinated movement that are more stable and more energy efficient?
An attractor state
What is a closed environment?
An environment where variables tend to stay the same
What is an open environment?
An environment with numerous variables and things that are constantly changing
Dependent on previous experience, neuromuscular synergies, and cognitive demand all impact which type of postural control?
Anticipatory control
What represents stable regions of operation around which behavior typically occurs when a system is allowed to operate in its preferred manner?
Attractors
What is the ability of maintaining your vertical center of mass over your base of support?
Balance
What is a good assessment of anticipatory postural control?
Berg
"Researchers have shown that the same areas of the brain are active when you imagine yourself doing an activity compared to when you physically do the same activity" is a good way to explain which hypothesis for success of mental practice?
Brain activity
During locomotion, what type of vision guides us to stay on the pathway?
Central
What type of vision and correlating stream recognizes slow speed object movement, including conscious description of what is being seen?
Central vision - ventral stream
What is the hypothesis that determines the best point to teach/learn a new skill based on the difficulty of the task and the level of the learner?
Challenge point hypothesis
Is accuracy more related to an open loop or closed loop?
Closed loop
"Your mind works extra hard to figure out "how" to do something in the early stages of learning a skill" is a good way to explain which hypothesis for success of mental practice?
Cognitive
What stage of learning is there a lot of mental practice?
Cognitive stage of learning
When is mental practice most effective?
Cognitive stages - early on
What has a greater variability early on from one performance to the next, though performance characteristics are becoming more similar over time with continued practice?
Consistency
Distributed practice is used for what type of task?
Continuous
What is the relationship of the body relative to the environment & the relationship of body segments relative to each other?
Coordination
What hypothesis is based on automatisms or background corrections between similar tasks?
Degree of kinematic similarity
Massed practice is used for what type of task?
Discrete (definitive end and start)
Is ankle strategy elicited proximal to distal OR distal to proximal?
Distal to proximal
T/F: Timing ability is NOT specific to the requirements of the skill being performed rather than a general timing ability.
False - it is specific to the task
How would you describe the cognitive hypothesis?
Finding out how to complete a task - cognitive stage of learning (mental practice can be huge here)
What is performance production?
Gives information related to the movement and underlying neuromotor processes (accuracy, balance and MMT)
What type of activity is it best to use the idea of partial task training?
High complexity and low organization tasks
What are two components of determining the complexity of a task?
How many parts it has & the attentional demand of the task
When instructing our patient to use mental imagery for a task what should we tell them?
If they should use internal or external imagery
What is external imagery?
Imaging yourself completing the action from a third person perspective
What is internal imagery?
Imagining yourself doing the action from a first person perspective
What is measured over time, because there are usually periods of plateaus and regressions over time during any skill acquisition?
Improvement
What are the 6 common performance characteristics of skill (task) learning?
Improvement, consistency, persistence, stability, adaptability, and reduction of attention demand.
How can you take out ankle strategy to immediately elicit hip strategy?
Increase velocity
A goal of acquiring a movement pattern that allows some success with the task & being able to discriminate between regulatory and non-regulatory conditions both occur in which stage of learning according to Gentile's two-stage of learning?
Initial stage
What happens to information that is not processed further or rehearsed?
It is lost
What are two things to keep in mind when coming up with activity-specific training?
Keeping it functional and task oriented
Which stage of Gentiles two-stage model is characterized by adaptability, consistency, and economy of effort?
Later stage
What types of tasks is mental practice good for?
Learning a new task or relearning a task
If someone is on a sports team and does not have the opportunity to practice with the team, then what type of practice would be good for them?
Mental practice
What would be good practice for a patient when they are not coming to therapy all the time?
Mental practice
What is the ability to complete a task using neuromuscular system, musculoskeletal system & coordination?
Motor control
What is the capability of the motor control system to enable a person to achieve an action goal in a variety of situations and conditions?
Motor equivalence
What is the ability to learn a task & needs to be able to transfer into a new environment than what you learn it in?
Motor learning
Reaction time is a measurement of what?
Motor performance
What program is described as "a memory representation for organizing, initiating, and carrying out a desire action"?
Motor program
What is the difference between movement and motor skills?
Movement refers to the components of the activity (how body segments relate to each other) Ex: walking is a skill, but the movement pattern will vary depending on the surface we are walking on
Should we practice the components of reaching & grasping separately?
NO
"Even though it's not enough to make the muscles of your leg move, when you imagine moving your leg, electrical activity increases in those same muscles" is a good way to explain which hypothesis for success of mental practice?
Neuromuscular
What are the three hypotheses for the success of mental practice?
Neuromuscular, cognitive, & brain activity
Do all people have the same imagery ability?
No
Does every patient you work with exhibit the same motor skill level?
No
If there is a performance plateau does this decrease their potential?
No
What is a condition that is not critical when completing a task?
Non-regulatory
Are complexity and difficulty the same thing?
Not necessarily - think about the jumping rope example in class
Is speed more related to an open loop or closed loop?
Open loop
Should your focus be on the movement or the outcome?
Outcome
When an activity is high in complexity and low in organization you use what type of practice?
Partial task
The behavioral act of executing a skill at a specific time and situation is what?
Performance
What type of vision and correlating stream detects high-speed movement info and control of the limbs?
Peripheral vision - dorsal stream
What is a relatively permanent improvement in performance?
Persistence
What is fractionization?
Practicing individual limbs with asymmetric and simultaneous coordination of limbs (practicing the guitar, but separating when you practice each arm because they both have different tasks)
What is segmentation?
Progressively adding each sequential part (progressive part method) *an example would be teaching a SCI patient how to log roll efficiently
Is hip strategy elicited proximal to distal OR distal to proximal?
Proximal to distal
How can we easily measure energy efficiency in a clinical setting?
RPE
What is simplification?
Reducing the task or components of the task difficulty (using a harness while walking - [balance tutor] so that the patient can focus on walking and not be worried about falling)
Reaction time and movement time combined is what?
Response time
When is vision essential during catching an object?
Right before the movement is initiated or caught
Automaticity of movements/actions are related to which brain structures?
SMA and putamen/globus pallidus
What hypothesis is related to progressively practicing as you will play/perform?
Similarity of cognitive processing
What is the practice that is described as "reducing the task or components of the task difficulty"?
Simplification
What should we think of regarding quality of a movement?
Skill
Why not use mental practice with everyone?
Some people do not have the mental capacity to complete imagery/mental practice
What is the hypothesis that maintains that the many motor abilities in an individual are relatively independent?
Specificity of motor abilities hypothesis
What is a behavioral steady state of a system that represents a preferred behavioral state and incorporates the notion of invariance by noting that a stable system will spontaneously return to a stable state after it is slightly perturbed?
Stability
What is related to consistency but refers to effect of internal or external perturbations?
Stability
Tactile sensation improves proprioceptive input when touching what points during a movement?
Starting and stopping points
What helps to resolve the degrees of freedom problem?
Synergies
What is an ideal way to instruct someone to complete a task to see where they need help/instruction?
Tell them to just "do it" and then you can modify their treatment based on what they actually need help with as opposed to instructing them how to do something from the beginning
In which stage of a manual aiming task is vision important for accuracy?
Termination phase
Why is it important to differentiate activities, movements and neuromotor processes?
The action goal may not be accomplished with the same movement patterns and neuromuscular processes for all people
What determines how and why we complete a task?
The goal
What phase of a manual aiming task is considered an open loop (fast) and without much sensory feedback, except for vision when getting closer to the target?
The initial flight phase
What is considered the emotional core of the brain?
The limbic system
How would you describe the neuromuscular hypothesis?
The muscles that would be active during the task are active, but they are at a sub-threshold level otherwise they would be moving
What are two things to consider when deciding to first start with whole or part practice?
The organization and complexity of the task
What are three things that impact a motor skill performance?
The person, skill and performance environment
Preparation phase, initial flight phase, and termination phase are all related to what task?
The phases of manual aiming tasks
What phase of a manual aiming task does visual assessment of the situation occur?
The preparation phase
What phase of a manual aiming task is just before contact is made with the target up to when the end point is reached?
The termination phase
Movement accuracy, consistency, timing, force adjustment and distance estimation are all movement characteristics influenced by what?
Touch
When the components of the skills and/or the context in which skills are performed are similar what happens?
Transfer of a skill
Hand-eye coordination, visual acuity, trunk control are all examples of ______________ for a given motor skill.
Underlying abilities
When does a skill (task) have a high level of organization?
When its component parts are spatially and temporally interdependent
What is a closed loop?
When there is constant feedback to help correct the movement as it is going on
What is an example of interdependent components within a task?
When you bend over to shoot a basketball - your knees and hips bend together when you bring your arm back to shoot (practicing these things separately wouldn't really make sense)
How would you describe the brain activity hypothesis?
When you imagine yourself doing something there are parts of your brain that light up & those same ones are active when you are completing the task, so there would be carry over with mental imagery
When an activity is low in complexity and high in organization you use what type of practice?
Whole task
How can classification of motor skills be helpful?
Will help with motor skill analysis and treatment progression
Should static and dynamic balance be considered as independent abilities?
Yes
Without ___________ you cannot have postural stability.
alignment
What type of vision allows for the 3D perception of the object (depth perception)?
binocular vision
Ongoing adjustments based on sensory feedback are associated with an open or closed loop system?
closed loop system
What are two things to be cautious of when giving concurrent augmented feedback?
dependency and negative learning
What memory is past experiences or events?
episodic
How do previously learning skills influence the learning of a new skill?
facilitate (positive transfer), impede (negative transfer), or have no effect (zero transfer)
What are the three theories for why distributed practice across sessions is better?
fatigue, cognitive effort, and memory consolidation
What is an example of external force?
gravity
What are the 3 common proprioceptors?
joint proprioceptors, GTOs, and muscle spindles
What are two types of augmented feedback?
knowledge of results and knowledge of performance
What are the practical benefits of mental practice?
low cost, ease of use, lack of risk
How should we progress contextual interference with children?
low to high
What type of vision affects movement preparation and execution, resulting in an underestimate of the distance to an object and the size of the object?
monocular vision
How do we know our patient is making progress?
outcome measures
What can overestimate or underestimate learning?
performance
Level of alertness, anxiety, fatigue and the setting of the situation are examples of what?
performance variables
The early stages of learning (before it is automatic) is related to what brain structure?
prefrontal cortex
What structure is mood and personality mediated through?
prefrontal cortex
What type of memory is "how to do something"?
procedural
What are the 3 types of memory stored?
procedural, semantic, and episodic
Direction, spatial orientation, velocity, and muscle activation are all movement characteristics that are affected by what?
proprioception
What are the three distinct components of prehension?
reaching, grasping, and object manipulation
What are two ways to access long-term memories to perform a task?
recognition and recall test
What is the ability to dual-task and what stage is it usually reached?
reduction in attention demand and during the autonomous or procedural learning
What is a condition that impacts a movement?
regulatory
How would you know if practice variability improves future performance more than constant practice?
retention and transfer tests
What test is used to determine how much you know, or how much has been retained?
retention test
What is the ability to focus visual attention on regulatory features in the environment which gives us more time to select and produce an action?
selective visual attention
What type of memory is recognizing what words mean - general knowledge?
semantic
What two components make up declarative memory?
semantic and episodic
Should we progress skills from complex to simple or simple to complex?
simple to complex
What type of feedback is sensory feedback that is naturally available while performing a skill?
task-intrinsic feedback
100% mental practice is better than what?
training on an unrelated task
What is the influence of prior learning on the learning of a new skill or the performance of a skill in a new context?
transfer of learning
What test is a novel variation of the same task with a change in the physical environment or personal characteristics?
transfer test
What is the capacity of long term memory?
unlimited
What is the duration of long term memory?
unlimited
What situation would your patient not need augmented feedback?
when a detectable external referent in the environment is required
What is an open loop system?
when all the information is processed at the beginning and there is no feedback throughout the movement