Chapter_9_Attention_Moodle

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Unformatted text preview: Click to edit Master subtitle style 4/22/10 Attention as a Limited Capacity Resource 4/22/10 Attention and Multiple Task Performance  Attention refers to characteristics associated with Consciousness Awareness Cognitive effort  Performance of Skills and Limitations Simultaneous performance of Multiple Skills Detection of Relevant Information in the Environment 4/22/10 Attention and Multiple Task Performance  Performing simultaneously more than one task No measurable detrimental effects Deteriorated task performance  Question why sometimes detrimental effects and other times no effects  Possible answer relates to attention as a performance limiting factor. 4/22/10 Attention Theories  Filter theories (a.k.a. bottleneck theories) Stimuli resulting in response(s) are processed serially.  A filter in one of the stages of processing results in limitation on multiple task performance.  Theories differ in the location of the filter. 4/22/10 Attention Theories  Resource Capacity Theories There are limited resources which limit performance of multiple tasks  If resource capacity limits are not exceeded performance of multiple tasks can occur.  If resource capacity limits are exceeded performance deteriorates on one or more tasks 4/22/10 Attention Theories  Central Resource Capacity Theories One central attention resource (i.e., CNS) Activity requires attention Activities compete for the demanded resources to perform optimally Resource is flexible (so the resource can be used in different activities) 4/22/10 Kahnemans Attention Theory Is an example of a Central Resource Capacity Theory  There is one attention capacity resource  Attention capacity limits are flexible  Attention resources are not constraint to one task 4/22/10...
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Chapter_9_Attention_Moodle - Click to edit Master subtitle...

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