PSYC33000 Lecture Notes - Lecture 2: Donald Broadbent, Sensory Memory, Handsfree
Document Summary
Results: can tell if the unintended message was female or mail, human or musical, Operational definition of attention- process of focusing on specific stimuli or locations. We study attention because the more information we have the more we can attend to in the world. Moray cocktail party effect: hear someone say your name, you will respond. Gray and wedderburn top down processing: g-aunt-i and dear-h-sally. Treisan"s attenuation theory : stages, physical characteristics (pitch speed gender of stimuli) language (grouping of words) meaning (only process enough info to determine what the attended message is) Called the leaky filter model: unintended leak between attenuator and dictionary unit because the attended message loses strength. Thresholds: low- likely to respond quickly, high unlikely (never heard the word before) Used people who could not attend to the unattended channel (cid:523)bank money river(cid:524) (cid:523)can"t find what is wrong) Suggests that you subconsciously hear the unattended channel ----even if you are not aware.