Motor Learning 2 Flashcards

1
Q

What is transfer of learning?

A

The influence of previous experiences on a new sill or a skill in a new context

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2
Q

Explain the different forms of ‘adaptability’ built through motor learning

A

Adaptability to:

  • similar motor skills
  • different environmental characteristics
  • changes in the performer
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3
Q

Why is studying the transfer of learning important?

A

Helps to understand the principles of controlling and learning skills which helps to create effective motor learning protocols

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4
Q

How can you assess the effect of one skill on learning another skill?

A

2 groups. One experimental group tries Skill A, then tries Skill B. Control group does nothing, then tries Skill B

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5
Q

what is the formula for measuring percent skill transfer?

A

(Exp group score - Cntrl group score)/(Exp group score + cntrl group score) * 100

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6
Q

What is positive transfer?

A

When prior learning has a positive influence on new skill learning or on performing in a new context

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7
Q

What is negative transfer?

A

When prior learning hinders new skill learning

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8
Q

What is zero transfer?

A

When previous experience has no influence

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9
Q

Why does positive transfer occur? What makes it more likely to occur?

A

It occurs due to the similarity of the components between two skills. the more similar the components, the more transfer

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10
Q

What are the different ‘similar components’ that can cause positive transfer?

A
  • Kinematic similarity

- Coordination tendencies

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11
Q

When can negative transfer occur? give examples.

A

When context characteristics are similar but the movement characteristics are different, e.g. driving on the other side of the road, typing on a different keyboard

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12
Q

What is bilateral transfer?

A

Transfer of learning from one limb to the contralateral one

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13
Q

What is asymmetric bilateral transfer?

A

Greater transfer from one limb to the other

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14
Q

What is symmetric bilateral transfer?

A

same amount of transfer no matter what limb learns first

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15
Q

What is an example of asymmetric bilateral transfer?

A

Stockel and Weigelt 2012 showed that when throwing a ball, both arms had more accuracy when starting with non-dominant arm, both arms had more force when starting with dominant arm.

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16
Q

Why does bilateral transfer occur?

A

Cognitive explanation: you’ve already learned ‘what to do’
Motor control explanation: Learning involves ‘generalised motor program’ that is not muscle specific, it is effector independent

17
Q

What is practice variability?

A

the variety of movement and context characteristics that the learner experiences while practising a skill

18
Q

Is constant practice or practice variability more effective?

A

Shoenfelt et al 2002 found that variability in basketball hoop shooting increased accuracy more than constant practice

19
Q

What is contextual interference?

A

Memory and performance disruption that results from performing multiple skills or skill variations in practice

20
Q

Which has more contextual interference, between blocked, random and serial practice?

A

Random, then serial, then blocked.

21
Q

What are the limits of blocked practice?

A
  • Does not foster adaptability to novel context
  • May have similar outcomes if test is similar to practiced performance, but typically shows poorer results in retention and transfer
  • leads to overestimation of personal improvement
22
Q

What are the limits of contextual interference?

A

More effective for simple than complex tasks. Factors like age, starting level and the ‘challenge point hypothesis’ (more contextual interference for simple tasks, but less for beginners anyway)

23
Q

what are the 3 factors of practice specificity?

A
  • Sensory-perceptual information available
  • Environmental context
  • Cognitive processing requirement