attention - Attention The modal model e.g Atkinson and...

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Attention
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The “modal model” e.g. Atkinson and Shiffrin (1968) T All sensory input persists very briefly, passively, in modality- specific temporary buffers (“iconic” memory for vision— see Lecture 5; “echoic” memory for audition) ( Attended words, objects etc. are identified and represented in a limited- capacity short- term store (STS), • where they can be operated upon, used to control action or transferred (by rehearsal) into long term storage STS is very limited in capacity: contents decay or are overwritten/displaced by new input or by information retrieved from long-term storage, unless deliberately maintained by rehearsal. psynet.ex.ac.uk:8200/vrr/1121/psy1121-06-4.ppt
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Attention: Concentration or our mental activity Everyone knows what attention is (James, 1890) E Paying attention on a test Concentrating on one or two tasks simultaneously Selecting certain stimuli for further processing and ignoring others. Attention
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Study of the capabilities and limitations of the individual to select and process sensory information from the environment Attention important for cognitive activity Pattern recognition, problem solving. Attention
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Divided Attention Divided Attention : Attend messages simultaneously Watching TV + studying or talking on the phone Strayer et al. (2003): Cell Phone Study Group 2: Drive + converse on hands-free cell phone at Results: During low-traffic conditions, Group 2 took slightly longer to press brake During high-traffic conditions, Group 2 took much longer to press break
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Selective Attention : 2 stimuli pay attention to 1 Paying attention to 1 person in rock concert Ignoring your roommate while studying Dichotic Listening Task (Cherry, 1953): Hearing two different channels/sounds, or information at the same time
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This note was uploaded on 09/26/2011 for the course PSYCHOLOGY 110 taught by Professor Kannan during the Spring '11 term at Anna University Chennai - Regional Office, Coimbatore.

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attention - Attention The modal model e.g Atkinson and...

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