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TOPIC 4 - Attention.pdf - Overview of Attention...

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Overview ofAttention
INTRODUCTIONATTENTIONdefined as aconcentration of mentalactivitythat allows you to take in alimited portionof the vast stream ofinformation available from both yoursensory world and your memory
INTRODUCTION
INTRODUCTION
INTRODUCTIONTYPES OF ATTENTION:Selective attentionFocused attentionDivided attentionSustained attentionLack of attention, boredom
SELECTIVE ATTENTIONthe process offocusingon aparticular object in the environmentfor a certain period of timetune out unimportant detailsandfocus on what matters
SELECTIVE ATTENTIONrelevant stimuliwhile ignoringirrelevant stimuli in theenvironmentfilter insignificant detailsandfocus on what is important
SELECTIVE ATTENTIONFACTORS IN SELECTIONPROCESS:ExpectancySalienceValue
SELECTIVE ATTENTIONFACTORS IN SELECTIONPROCESS:ExpectancySalienceValue
SELECTIVE ATTENTIONFACTORS IN SELECTIONPROCESS:ExpectancySalienceValue
SELECTIVE ATTENTION
SELECTIVE ATTENTIONMODELS OF ATTENTION:Broadbent’s Filter ModelTreisman’sAttenuationModel
SELECTIVE ATTENTIONBROADBENT’S FILTER MODELBroadbent (1958) proposed that physicalcharacteristics of messages are used toselect one message for further processingand that all others are lost
SELECTIVE ATTENTION
SELECTIVE ATTENTIONDichotic listening task
SELECTIVE ATTENTIONDichotic listening task
SELECTIVE ATTENTIONTREISMAN’S ATTENUATIONMODELTreisman (1964) aggress withBroadbent’stheoryofanearlybottleneckfilter.However, the difference is that Treisman'sfilterattenuatesrather than eliminates theunattended material.
SELECTIVE ATTENTIONDichotic listening taskme thatbird greenjumpingfeeI saw thegirlfurnitureoverI saw the girljumping over
ATTENTIONTYPES OF ATTENTION:Selective attentionFocused attention

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