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Psychology (2,948)
PSY270H1 (153)
Chapter 4

Chapter 4 Notes

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University of Toronto St. George
Gillian Rowe

Attention: the ability to focus on a specific stimuli or locations o Purpose: Select important items in the environment for further processing while ignoring items of less importance To facilitate reactions to eventssituations Involves both automatic and controlled processes Response influenced by various factors (i.e. stimulusresponse compatibility) o Types: Sustained (vigilance) attention: continuously monitoring an environment to detect target signals (change) Selective (focused): focusing on one element and ignoring others; visual and auditory metaphors complement each other Auditory filter metaphor Visual location based: spotlight, zoom lens; object based: glue Dichotic listening: Spotlight metaphor: M: required to attend to one message and ignore the other; the attended o movable, having a small fixed diameter, cannot be divided message must be shadowed repeated o The spotlight is internal (or covert) : the spotlight location can be R : participants could not report the content of the message in unattended different from where your eyes are fixated ear but knew there was a message and the gender of the speaker; however, o Location based attention: how attention is directed to a specific unattended ear is being processed at some level (i.e. cocktail party effect, location or place change in gender noticed, change in tone noticed) o Posners cuing paradigm is evidence: Early selection model (Broadbents filter model): (1) Covert attention based on precuing participant presented (1) Bottleneck model: filter restricts info flow; filter restricts the large with a cute that indicates where a stimulus is most likely to amount of info available to a person so that only some of this info appear gets through to the detector (2) M: fixate in the middle; the spatial cute is presented briefly (2) Filters message before inc
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