Lecture 8 Concepts and Memory

Lecture 8 Concepts and Memory - Outline of Lecture...

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1 Lecture #8: Memory and Conceptual Representation 6/22/07 2 Outline of Lecture Function of Memory Stages of Memory Types of Memory • Forgetting 3 Functions of Memory Natural Inference System—store few facts and derive others as needed Relate new things to prior knowledge in order to understand them and/or know how to respond Deliver relevant knowledge when it is needed 4 Three Stages of Memory 1. Acquisition : When person acquires the knowledge to be remembered. 2. Retention: Time period that passes between acquisition period and retrieval period. 3. Retrieval: Later time when the acquired knowledge is activated or utilized.
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5 Special Types of Memory Autobiographical Memory Eidetic Imagery: Photographic Memory Flashbulb Memory: Vivid memory of specific event, often tied to very emotional experience; lasts a long time 6 Types of Memory 7 Sensory Memory Iconic Memory: Visual stimuli Echoic Memory: Auditory stimuli Haptic Memory: Touch stimuli 8 Sensory Memory H R U E B G W I V O S Q N X A L
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9 Sensory Memory H R U E B G W I V O S Q N X A L 10 Sensory Memory Last Row? N X A L 11 Sensory Memory • Sperling (1960) X M K P T B Y E A J R W 12 Short-Term Memory Usefulness – Makes certain information available for more processing – Allows information to be compared and integrated – Helps keep relevant information handy (relevant information is more likely to be recent information) Limitations – Duration – Capacity
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