10-Attention-6

10-Attention-6 - Attention-Outline Selective Attention A....

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1 Attention Attention--Outline I. Selective Attention A. Goal-directed selection (voluntary) B. Stimulus-driven capture (reflexive) II. Divided Attention III. Attention and the Perception of Objects: A. Feature Integration Theory B. Change Blindness IV. Physiological Basis of Attention Attention Attention --the process by which the mind chooses among the various external stimuli impinging on the senses, allowing only some of these stimuli to be passed along for further processing. • William James (1890): “Everyone knows what attention is. It is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.” While looking at the X es, you cannot read the two sentences at the same time (Impossible to process everything at once). Attention -- Can focus on one source of info while ignoring others (selective attention ) --Can also monitor (to a certain extent) unattended stimuli & use them as a basis for shifting attention (divided attention ). --Select stimuli often by physically (“overtly ”) orienting sensory systems to a particular stimulus (e.g., eye movements) but can also “covertly ”orient to a stimulus. Attention--overt orienting (eye movement recordings when looking at pictures)
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Attention--overt orienting (eye movement recordings when looking at pictures) Overt orienting (eye movement recordings when looking at a face) Overt orienting Attention--covert orienting The “no-look” pass relies on covert orienting Attention--Outline I. Selective Attention A. Goal-directed selection (voluntary) B. Stimulus-driven capture (reflexive) II. Divided Attention III. Attention and the Perception of Objects: A. Feature Integration Theory B. Change Blindness IV. Physiological Basis of Attention Goal-directed Attention (Voluntary) Goal-directed Selection -- voluntarily choose object to attend to. E.g., cocktail-party effect
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10-Attention-6 - Attention-Outline Selective Attention A....

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