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Attention Capacity & Multimode Theories Presentation

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Attention 3 Chapter 3 Capacity Theories  We not only have a filter that manages sensory input from multiple channels, but we also have limited attention capacity Multimode Theory  People’s intentions and demands of the task determine the informationprocessing stage at which information is selected Multimode Theory  A couple of things happen as you move from early to late mode of selection: ◼ The bottleneck shifts to filter input after pattern recognition ◼ Attention capacity decreases ◼ Both these events can inhibit the performance of secondary tasks How is Divided Attention Possible?  Capacity ◼ Easy task require minimal attention, so much capacity is leftover for other tasks  Practice ◼ Highly practiced skills become easy and automatic, thus taking up less capacity Automatic Processing  Performing operations that require very little mental capacity Automatic Processing  Posner & Snyder (1975) ◼ ◼ ◼ ◼ Occurs without intention No conscious awareness No interference with other mental abilities Examples:  Riding a bike  Reading a word Automatic Processing  Stroop Effect Automatic Processing  Automatic Encoding ◼ Memories that require very little or no effort ◼ “What did you have for breakfast?”  Incidental Learning  Incidental information processed by ◼ Frequency info ◼ Spatial info ◼ Temporal info Applications  ________________________ ◼ Selective attention measures (with dichoti ...
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