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PSYB57H3 (366)
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Chapter 4

PSYB57 Chapter 4-Paying Attention.doc

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Dwayne Pare

Chapter 4 Paying AttentionWe choose to pay attention to something and we cannot pay attention to all things at onceSelective AttentionDichotic ListeningDichotic ListeningParticipants wear headphones and hear a different stimulus in each earAttended ChanelStimulus they are instructed to pay attention to Unattended ChanelStimulus they are instructed to ignore ShadowingTo make sure they were paying attention the participants were given a task in which they would have to hear the speech in the attended channel and repeat it back word for word while ignoring the unattended stimulusoShadowing performance was almost close to perfectoThe participants had no idea about what was said in the unattended stimulusoPhysical attributes of an unattended channel are heard even though participants seem oblivious to the unattended channels semantic content Eg language that was spoken in English waySome Unattended Inputs are DetectedWords with some personal performance are often noticed even though the rest of the unattended channel is perceived only as an undifferentiated blur Eg name movie you sawCocktail Party Effectattended to only 1 conversation in a room with multiple conversations which you tune out till you hear someone mention a name of someone you know then you tune in etcPerceiving and the Limits on Cognitive CapacityYou somehow block processing of the inputs youre not interested inThis proposal was central for early theories of attention bottleneck theories which suggested that you erect a filter that shields you from potential distractorsMore recent evidence suggests that this filtering is rather specific and is done on a distractorbydistractor basisYou seem able to inhibit your response to this distractor and that distractor but those efforts are of little value if some new unexpected distractor comes alongYou are also able to promote the processing of desired of stimuliInattentional Blindness
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