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Chapter_8_Action_Preparation_Moodle

Chapter_8_Action_Preparation_Moodle - ActionPreparation...

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Click to edit Master subtitle style  4/22/10 Action Preparation
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 4/22/10 Movement preparation What phases are involved and how do they  relate? Intention Preparation Initiation Termination
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 4/22/10 Preparation Time Donders (1868) The motor control system requires time to  prepare to produce an intended action Reaction Time (RT)  Index of preparation time required to produce an  action Changed by performance situations
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 4/22/10 Task and Situation  Characteristics Number of response choices Increase in choices => Increase in RT Hick’s law  (Hick-Hyman law is same) RT = b log2 (N+1) N = Number of choices
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 4/22/10 Task and Situation  Characteristics Predictability of the correct response choice RT decreases if the correct response choice  becomes more predictable Precuing paradigm Precue: Advance information about an upcoming  event that needs a response Attention
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