A2 PE - Visual Awareness Glossary (Chapter 3)

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Perception
The ability to interpret what is happening consciously as a result of sensory information received
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Scanning
Visual perception when an individual attends to many aspects in their field of vision
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Channel Capacity
How information has to pass through channels of limited capacity in the brain – the brain can be trained to receive only relevant information
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Peripheral Vision
The ability of a performer to perceive actions from ‘the corner of their eye’
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Depth Perception
The ability of a performer to see down-field and to judge how far away player, objects or targets are
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Static Acuity
The attention to fine detail, essentially concerned with clarity and sharpness with no movement
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Dynamic Acuity
The attention to fine detail, essentially concerned with clarity and sharpness with movement (positions of players or the ball while in motion)
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Accommodation
The ability of the eye to change focus accurately from distant to near objects
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Vergence
The ability to fixate an oncoming or receding object
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Extrapolation
The ability of the brain to anticipate accurately what will happen next. e.g. Extrapolation in and out of possession of the ball can be the key to unlock successful defences or to regain possession
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Improvisation
Events never unfold as planned, so those performers who can react most quickly and improvise, performing instinctively, have the edge over their opponents
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Pursuits
Movement of the eyes in smoothly following a moving object
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Saccade
A fast movement of the eye, head or other part of the body
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Attentional Focus
The ability to pay attention and concentrate. This is often a restricting factor in sports performances. Attentional focusing differs in width, and in whether the situation is internal or external.
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Psychological Refractory Period
When a performer has been ‘sold a dummy’ and recognises they can’t do anything about it. It is that moment when the recipient experiences a split second in limbo – realising they have enacted an incorrect response and want to change it, but can’t.
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Other cards in this set

Card 2

Front

Visual perception when an individual attends to many aspects in their field of vision

Back

Scanning

Card 3

Front

How information has to pass through channels of limited capacity in the brain – the brain can be trained to receive only relevant information

Back

Preview of the back of card 3

Card 4

Front

The ability of a performer to perceive actions from ‘the corner of their eye’

Back

Preview of the back of card 4

Card 5

Front

The ability of a performer to see down-field and to judge how far away player, objects or targets are

Back

Preview of the back of card 5
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