L1.5 - Attention (Jul-15)

L1.5 - Attention (Jul-15) - Psychology C120: Lecture 1.5...

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Unformatted text preview: Psychology C120: Lecture 1.5 — Attention Psychology C120: Lecture 1.5 Attention Prologue Simple Examples Partial Report Technique Capacity Limitations 1 Psychology C120: Lecture 1.5 — Attention Particularly Relevant Today ! Methods: How can we study cognitive processes without directly observing what the brain is doing? ! How do we make objective inferences about people's internal mental processes? ! Performance: How good are we at the cognitive tasks that we undertake? ! What are the limits of our cognitive capacity? ! Information processing in context 2 Psychology C120: Lecture 1.5 — Attention Questions to Consider ! What are the different kinds of attention? What do they have in common? ! Where do limitations in attention occur? How do we know? ! Are limitations in attention good, bad, or neutral? Why? 3 Psychology C120: Lecture 1.5 — Attention Psychology C120: Lecture 1.5 Attention Prologue Simple Examples Partial Report Technique Capacity Limitations 4 Psychology C120: Lecture 1.5 — Attention What is attention? ! “Everyone knows what attention is.” — William James ! attention, n. , the action of dealing with or taking special care of ... something ! "We should ... abandon the view of attention as a unitary construct or mechanism, and consider attention as a characteristic and property of multiple perceptual and cognitive control mechanisms." — Chun, Golomb, and Turk-Browne, 2011, p. 74 5 Psychology C120: Lecture 1.5 — Attention Kinds of Attention ! External attention — dealing with sensory information as it comes into the mind, in its modality-speciFc representation ! Internal attention — dealing with internally- generated information, such as memory, tasks, or responses ! Goal-Directed vs. Stimulus-Driven 6 Chun, Golomb, and Turk-Browne, 2011 Stimulus Driven Goal Directed Egeth and Yantis, 1997 Psychology C120: Lecture 1.5 — Attention Common Features ! All kinds of attention show limited capacity , necessitating the following functions: ! Selection — choosing what to attend to or ignore ! How is it selected? What happens to what's selected, and what happens to what isn't? ! Modulation — determining how closely to attend to what is selected ! Selection alone doesn't guarantee better processing — modulation is also necessary....
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This note was uploaded on 11/19/2011 for the course PSYCH 120 taught by Professor Hald during the Summer '09 term at Berkeley.

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L1.5 - Attention (Jul-15) - Psychology C120: Lecture 1.5...

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