Wk 7, L1 (09/20)
Wk 7, L1 (09/20) 4100
Popular in Cognitive Psychology
Popular in Psychology (PSYC)
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This 2 page Class Notes was uploaded by Leslea Motley on Wednesday September 21, 2016. The Class Notes belongs to 4100 at University of Georgia taught by Kara Dyckman in Fall 2016. Since its upload, it has received 2 views. For similar materials see Cognitive Psychology in Psychology (PSYC) at University of Georgia.
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Date Created: 09/21/16
09.20 Lecture Tuesday, September 20, 2016 12:35 PM I. Quiz Review (Questions and Answers onR eading notes for 09.20) II. Lecture Slides • Treisman's -‐ Attentuation theory ○ Called a "Leaky Filter" Model • Late selection model ○ We make the selection or determination of what we are going to attend to after we know what everyone else is doing/saying ○ Think about this in terms of two messages coming into separate ears, this model says that we receive all info, process it for meaning, and then decide which to pay attention to ○ Selection occurs after meaning ○ Studies that exemplify this model: ▪ McKay (1973) -‐separate messages in each ear • Left ear hears, "They were throwing stones at the bank" • Right hears, "-‐-‐-‐ -‐-‐-‐ -‐-‐-‐-‐ -‐-‐-‐ -‐-‐-‐-‐-‐-‐-‐river" or " -‐-‐-‐ -‐-‐-‐ -‐-‐-‐-‐ -‐-‐-‐-‐ money" • Heard the words "bank" and either "river" or "money" at the same time • They concluded that the word heard in the unattended ear did influence the way that the participant interpreted the sentence. • They tested this by asking the participants [after hearing these sentences] -‐ test phase, "Which sentence of closest to the meaning of what you heard?" -‐ one sentence discussed throwing stones at a river bank, and the other discussed loans at a bank • Concluded that biasing word affected participants' choice • Participants unaware of biasing words ○ They could not tell the researcher the word they heard in the unattending ear. • Researchers controlled for each ear in these studies. • Which model is correct ○ There is NOT one answer to this question. ○ Sometimes we use early selection and sometimes late selection – most early studies were done with hearing because it was the easiest to in the unattending ear. • Researchers controlled for each ear in these studies. • Which model is correct ○ There is NOT one answer to this question. ○ Sometimes we use early selection and sometimes late selection – most early studies were done with hearing because it was the easiest to control, but this applies to all sensory systems. ○ Focus shifted to cognitive load ▪ Think about what 'early selection' mean– s it means that you decide to focus attention on one thing and not other things in the environment ▪ 'Late selection' means that you take in all info in environment and then decide where to focus attention III. Activity • Objectives: ○ Demonstrate how perception is influenced by attention ○ Reinforce the idea that we cannot pay attention to everything in our environment ○ Discuss the types of stimuli that are likely to catch our attention (exogenous attention) • Explore role of attention and perception in magic tricks (each group investigates two assigned tricks)
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