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Perception Action Coupling

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Marissa Cumming

on 31 May 2014

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Transcript of Perception Action Coupling

Perception Action Coupling
What is meant by the term Perception Action Coupling?
Methods that are typically employed when investigating and examining the role of perception action coupling
What are the recommendations put forward by scientists regarding perception-action coupling?
How can knowledge gained from research into perception action coupling be used in an applied setting?
Educating clients may enhance attunement to sources of visual information in order to improve their motor performance in regards to environmental cues
Apparent in sports as performers have to organise motor actions to respond to rapidly changing visual information
An enhanced attunement to this visual information will improve performance in a PAC situation
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Farrow, D., & Abernethy, B. (2003). Do expertise and the degree of perception-action coupling affect natural anticipatory performance?. perception-London-, 32(9), 1127-1140.

Getchell, N. (2007). Developmental aspects of perception-action coupling in multi-limb coordination: rhythmic sensorimotor synchronization.
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Gibson J. (1979). The ecological approach to visual perception. Hillsdale, Lawrence Erlbaum Associates.

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Renshaw, A.R.H., Oldham, K., Davids, T., & Golds (2009). Changing ecological constraints of practice alters coordination of dynamic interceptive actions.
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• The coordination of visual perception in an environment and limb movement required to achieve an action goal
• Dynamic pattern theory concept
• Perception and action have a circular relationship – perception aids movement and movement aids perception
• Perception component – identifies and uses invariant information in the environment
• Action component – movement and control features are set and regulated to achieve an action goal

“We perceive in order to move but
we must also move in order to perceive”
James Gibson, 1979
Essential for athletes to be exposed to real life situations in training to reproduce functional movement solutions
When coaches use bowling machines in training, athletes are forced to re-organise timing and coordination of their movements and don't utilize the bowlers movements
Thus, if practice tasks keep key info sources and actions together in training a learner will be able to more effectively adapt his/her action to an approaching ball or object
May lead to shorter latencies in PAC and shorter visuo-motor delays in the regulation of actions
Many professions that employ various methods when investigating and examining the role of perception action coupling, which link to information that is perceived in the environment (perception) and the movement of the performer (action).
Designing key information sources and actions together, designing practice tasks, examining experimental research designs, and performance analysis. These methods are used to interpret the functionality and action fidelity of practice tasks and learning environments (Brunswick, 1956).

Measures include time, observed kinematic data -coordination and movement, performer’s responses (actions or decisions)
Research conducted by (Renshaw et al., 2007), sought to manipulate practice task constraints to evaluate effects on movement control and coordination of developing cricket batters.
Representative video-based simulations are a typical method used
Methods rely heavily on an understanding of human behavior and movement
Role of Research
Related research breaks the coupled relationship.
Isolating perception and action to examine if the outcome will remain the same.
The results display the significance of the coupled relationship and emphasises that,
Practice should be as specific to reality as possible.
Vision is essential and should be maintained on the object that must be contacted or avoided eg. Clearing steps or avoiding obstacles
It’s all about early recognition of the object to be cleared or avoided, adjusting the footfall to avoid the obstacle

Real Life examples
Picking up a glass
guided by perceptual information specifying the size, shape and your distance from the glass etc.
Information is processed during the reach and adjustments to hand and arm movements can be made to ensure that a reach is successful (Farrow & Abernethy, 2003).
Perception and action are coupled in real life therefore it is vital when designing programs, they stay this way.

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