PSY100H1 Chapter Notes - Chapter 7: Donald Broadbent, Cocktail Party, Sensory Memory
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PSY100H1 Full Course Notes
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Attention is limited; dividing it among too many things makes performance suffer. > anne treisman proposed that separate systems analyze objects" different visual features. > parallel processing: allows us to process info from different visual features at the same time by focusing on targets over distracters. > serial processing: searching for 2 + features, slow and effortful, must examine target, 1 by 1. > cocktail party phenomenon: ability to focus on a single conversation in the midst of a chaotic cocktail party, yet a particularly pertinent stimulus, such as hearing your name mentioned in another convo, can capture your attention. > shadowing: experiment performed by cherry where participant listens to two different messages and only attends to one of the messages by repeating it aloud. Selective attention can operate at multiple stages of processing. > donald broadbent and the filter theory: people have a limited capacity for sensory info and only let in the most important info.