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AU10memory - 1 Memory pp 273-300 304-311 • What is memory...

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Unformatted text preview: 10/16/10 1 Memory pp. 273-300, 304-311 • What is memory? • Memory processes – Encoding – Storage – Retrieval • Types of memory • Models of memory What is memory? • Retention of information over time – Memory is the Cognitive Psychology answer to the learning proposed by behaviorism Seven Sins of Memory 1. Suggestibility: Misleading information alter memory 2.Misattribution: Mistakes about the sources 3.Bias: Schemas bias memories 4.Transience: Memory fades 5.Persistence: Memory does NOT fade 6.Blocking: Tip of Tongue 7.Absentmindedness: “Where are my keys?” How Does Memory Work? • Information processing – Information passes through sensory, short-term, & long-term memory Stages of Information Processing • Sensory – Info from senses held for brief time • Short-term memory (STM) – Perceived info held for about 20 seconds • Long-term memory (LTM) – Further processed & remains indefinitely Stages of Memory • Sensory registers – Temporary storage bins – One for each sense Short Term Memory 1 2 3 4 5 6 7 10/16/10 2 • STM: – holds info transferred from sensory memory and retrieved from long-term memory • Working memory: – part of memory system that allows us to manipulate info in STM Short Term Memory • Encoding in STM – Acoustic encoding – Visual encoding – Kinesthetic encoding • Listen to these words… Capacity of Short-Term Memory • Immediate memory span: max # of items you can recall perfectly after one presentation • The magical number 7 ± 2 (Miller) – Capacity of STM limited to about 7 items (give or take 2) at a time Short Term Memory • Despite the “magical number” some people have remarkable memory and can remember many more numbers • Chunks – Meaningful groups of related items – Increases amount of information retained • What was the last number we memorized? Forgetting in Short-Term Memory • Brown-Peterson procedure – Unrehearsed info in STM Duration of Short-Term Memory • Activity: memorize the following phone number (presented one digit at a time)... Duration of Short-Term Memory • What is the number? Duration of Short-Term Memory 8 9 10 11 12 13 14 10/16/10 2 • STM: – holds info transferred from sensory memory and retrieved from long-term memory • Working memory: – part of memory system that allows us to manipulate info in STM Short Term Memory • Encoding in STM – Acoustic encoding – Visual encoding – Kinesthetic encoding • Listen to these words… Capacity of Short-Term Memory • Immediate memory span: max # of items you can recall perfectly after one presentation • The magical number 7 ± 2 (Miller) – Capacity of STM limited to about 7 items (give or take 2) at a time Short Term Memory • Despite the “magical number” some people have remarkable memory and can remember many more numbers • Chunks – Meaningful groups of related items – Increases amount of information retained • What was the last number we memorized? What was the last number we memorized?...
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AU10memory - 1 Memory pp 273-300 304-311 • What is memory...

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