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memory pt 2 - Why Does Memory Sometimes Fail Us Most of our...

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1 1 Why Does Memory Sometimes Fail Us? Most of our memory problems arise from memory’s “seven sins” – which are really by-products of otherwise adaptive features of human memory 2 Transience Absent- Mindedness Blocking Misattribution Suggestibility Bias Persistence Memory’s “Seven Sins” 3 Transience • The impermanence of a long-term memory; long-term memories gradually fade in strength over time Relearning Savings method Forgetting curve
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2 4 Ebbinghaus’s Forgetting Curve • Recall decreases rapidly, then reaches a plateau, after which little more is forgotten Percent retained 60 50 40 30 20 10 0 Days 5 10 15 20 25 30 5 Absent-Mindedness Forgetting caused by lapses in attention 6 Blocking • Forgetting that occurs when an item in memory cannot be accessed or retrieved • Proactive interference • Retroactive interference • Serial position effect
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3 7 Misattribution • Memory fault that occurs when memories are retrieved, but they are associated with
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memory pt 2 - Why Does Memory Sometimes Fail Us Most of our...

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