PSYC 2265 Lecture Notes - Lecture 8: Donald Broadbent, Long-Term Memory, Sensory Memory
22 Apr 2017
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Psyc 2265 lecture 8 theories of attention (attention, part 1) They knew that there was a message. They knew the gender of the speaker. They could detect changed language: however, the unattended ear is being processed at some level. Models of selective attention: attention, as explained as some models, can be filtered early in processing or late in processing, early selection model, broadbent"s filter model. Filters messages before incoming information is analyzed for meaning. Messages sensory memory filter detector memory. Sensory memory: holds all incoming information for a fraction of a second, transfers all information to the next stage. Identifies attended message based on physical characteristics: only attended message is passed on to the next stage. Detector: processes all information to determine higher-level characteristics of the message. Short-term memory: receives output of detector stage, holds information for about 10-15 seconds and may transfer it to long-term memory. Does not explain the cocktail party effect.
