Taxonomy of Tasks - E2
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Define regulatory environmental conditions
The features of the environment to which the mvmt must mold -> Learner must match spatial and temporal characteristics
Define non-regulatory environmental conditions
The irrelevant background features that are unnecessary for goal attainment -> Pts must learn to ignore these elements
Define stationary
Environment or terrain or support surface is fixed and objects or people are stationary
Define motion
environment or terrain or support surface, objects or other people are in motion
Stationary vs Motion and significance for learner
Stationary learner is able to decide when mvmt starts and stops and for how long, but in motion, the performer has to match the spatial and temporal characteristics and interpolate or extrapolate information from it
What is the difference between absent and present inter-trial varaibility
When it is present, the regulatory conditions will change, rather than stay the same, from one performance to the next
What is true of inter-trial variability for the learner
When present, it results in more variable movements and requires a lot of attention and problem solving Absent there is no need to monitor the environment
Define closed tasks
object(s) or environment is/are stationary and do/does not change from trial to trial
Define open tasks
Object(s) or environment is/are in motion and conditions change during this trial &/or upon the next trials
What are the two types of body orientation that can be present
Stabilization Transportation
What is body orientation- stabilization
Info processing demands low and boundaries of environment are fixed to an area surrounding the performer
What is body orientation - transportatoin
Info processing demands high bc boundaries of regulatory environment are constantly expanding in accord w/rate of motion
What is the manipulation of objects (absent v present)
Absent - UEs/hands are linked (“yoked”) to postural system thru use of AD or equip rxn Present - UEs/hands free from postural system (ie. carrying glass of water or reading a flier while walking)
What can we do to practically apply the taxonomy of tasks?
• Use it as a guide for eval and intervention - Select functionally appropriate activities along the chart
What are some examples of: Closed, body stability
• Stand on level floor • Sit on chair • SL • Lean against wall
What are some examples of: Closed, body stability plus manipulation
• Standing & turn off faucet - Sitting & reach for a plate
What are some examples of: Closed, body transport
• Walking in own home • Crawling on floor • WC propel in isolated hall
What are some examples of: Closed, body transport plus manipulation
• Wiping a dish as walk in own kitchen • Setting table • Vacuuming • Bowling in a empty bowling alley
What are some examples of: Inter-trial variability, body stability
• Sitting on different chairs • Standing on various surfaces • Standing w/various ADs
What are some examples of: Inter-trial variability, body stability plus manipulation
• Picking up various glasses - Standing and throwing different balls
What are some examples of: Inter-trial variability, body transport
• walking over various cracks in sidewalk - Walking around a messy house
What are some examples of: Inter-trial variability, body transport plus manipulation
• Walking on a cracked sidewalk carrying something - Carrying laundry around own house
What are some examples of: Consistent Motion, body stability
• Standing on an escalator
What are some examples of: Consistent motion, body stability plus manipulation
Sitting on a motorized merry-go round eating ice cream - Standing on escalator rummaging through purse