Psy 320: September 15, 2016 Chapter 4- Attention: Deploying Cognitive Resources Selective Attention Info from outside world -> overwhelming majority you aren’t conscious of -> few you are aware of Early Selection Select early Filter things out based on physical characteristics Bottom up processing only Late Selection All stimuli get through initially Top down processing Filter later to decide which to pay attention to Pick one message that gets through to consciousness Third All info gets through, after you process everything, you decide which to focus on All 3 classes agree that there is filtering What determines which get through? Bottle neck theories All info trying to get through w/ narrow channel Can only process a little at a time Have to prioritize what is most important Broadbent’s filter theory Whichever message is most intense gets through Only one message gets through Other messages are lost forever
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- Fall '12
- Cognitive Psychology, Parietal lobe, Broadbent