Action 1: Function

30 important questions on Action 1: Function

What are action affordances?

Opportunities for action
- In specific situation
- Given specific expertise

What does perceiving affordances give you?

Appropriate action behaviour

What are some examples of Sensorimotor Perception-Action coordination?

- Reflexes
- Natural stimulus-respons associations
- Automised arbitrary S-R associations
- Habits
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What are the characteristics of Ideomotor Perception-Action coördination?

- Internally guided
- Goal-directed
- Mediated by anticipation / outcome evaluation
- Motive
- Action Valution

Are impulsive actions sensorimotor or ideomotor?

Mostly ideomotor: Goal-directed

What is Imparts purpose?

Motive to change from current state into desired state

What are motives and where in the brain are they calculated?

-Desired effect of our Actions
- PFC

What is action Valuation? What are the principles?

- Which action leads to desired action effect  Winner takes all principle --> Selection more difficult if there is more evidence for different alternatives

Where does the cost/benefit analysis of an action valuation take place?

- Costs:  introception Insula & ACC
- Benefit: Value output of Nucleus Accumbens

What is the role of consciousness in sensorimotor vs ideomotor?

Consciousness is irrelevant

What is the Prediction error when talking about learning by doing?

A mismatch of the predicted outcome of our actions and our action actions.

How does learning by doing work?

Prediction error (mismatch) leads to re-evaluation of actions and trying out of alternative options

What is the Predictive Processing Framework?

Seeing the brain as a prediction machine

What is learning by Forward Modelling?

- Getting ready for action
- Ideomotor pre-activation

This readiness for action and the difference between the real action outcomes can lead to mismatch --> Learning alternative options

What is the prediction error when talking about forward modelling?

Action effects as predicted through forward modelling (actions made ready) vs desired action effects

What happens when there is an absence of forward modelling?

- No action affordances/no options --> Helplessness, no action (Ui)

How does learning help in the forward modeling model?

Learning occurs by building a 'rich' forward --> Alot of options ready with a potential to transfer to real action

What happens when someone develops expertise?

- Build up competence in a goal-directed ideomotor PAC

What happens when someone develops skill?

- Get faster and more effective in a sensorimotor PAC
- Automization
- From resource-expensive goal-directed action to resource-inexpensive habitual action

What is the difference between Skill & Expertise?

Expertise: Goal-directed PAC at warp-speed
Skill: Automatizing: Making habits out of earlier resource-costing actions

What happens when one becomes an expert?

-Skill development: Automization
- Goal Directed action is more efficient

What is chunking & chaining?

When one becomes an expert;
- Action goals become more global
-   Every action automatically triggers the next S-R link in the 'chain'

What goal-directed action becomes better in experts?

- Formulating actions goals / motives
- Forward modelling (predicting outcomes)
- Selecting/Valuing appropriate actions
- Less dependent on: External feedback & Verbal-reflection/guidance
-Chunking & Chaining

What does the skill of walking on 2 feet show?

- Behaviour is a form of problem solving.
- Walking on 2 feet seems easy, but involves a lot of learning (e.g. In some injuries)
- We can now use tools because this free's our hands

Walking on flippers without failing shows:

- Young people can do this easily: Adaptability
- Elders can't: Not enough adaptability

What is motor imagery?

Imagining as vividly as possible what a movement feels like (1st person)

What does motor imagery show in our brains?

SMA: Conceptual level (Planning)
M1: Systems level (Execution)

Movements per se show activity in what area?

Contralateral M1

Complex sequence of movement show activity in what area?

M1 & Bilateral SMA

Is there a clear different between motor imaging area's and motor action area's?

No, More gradient area's with double uses

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