PSYCH 1X03 Lecture Notes - Visual Search, Stroop Effect, Speech Shadowing
1 Dec 2012
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October 30, 2012: taking possession of one train of thought, selection attending to smth causes attended obj to be selected. Conscious ability to attend to information hat helps us accomplish our goals. Irrelevant info = noise , sometimes a noise overwhelms what you are attending to and you get distracted. Attentional spotlight focuses on part of the environment at a time. Obj in spotlight t- faster reaction time w/ higher accuracy. Filter models cocktail party effect dispite noise, can single out voice of conversation partner (listen to 2 msgs played dfrom speaker at same time) shadowing task separate msgs (repeat one but not the other) Ability to separate target sounds from background noise: based on phsycial characetistics (gender, direction, pitch of speech) filter sifts away distractions. Broadbent"s single filter model (1958: selects important info based on physical characteristics, dicotic listening paradigm. Different msgs in each ear and need to repeat attended msg.
