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What is memory? Chapter 1. What is memory? Three definitions (Spear & Riccio, 1994) –location where information is kept e.g., a storehouse, or memory.

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Presentation on theme: "What is memory? Chapter 1. What is memory? Three definitions (Spear & Riccio, 1994) –location where information is kept e.g., a storehouse, or memory."— Presentation transcript:

1 What is memory? Chapter 1

2 What is memory? Three definitions (Spear & Riccio, 1994) –location where information is kept e.g., a storehouse, or memory store –thing that holds the contents of experience e.g., a memory trace or engram –mental process used to acquire (learn), store, or retrieve (remember) information

3 Early Memory Research in Psychology and Neuroscience Ebbinghaus (late 1800s) –nonsense syllables –basic memory phenomena learning curve –massed vs. spaced/distributed practice forgetting curve overlearning savings

4 Early Memory Research in Psychology and Neuroscience Lashley (1950) –engram: neural representation of memory –quantity, not location –memory distributed all over cortex

5 Early Memory Research in Psychology and Neuroscience Hebb (1949) –two stage process neural excitation would reverberate around connections of neurons some of these connections would physically change and become stronger –long-term potentiation

6 Modal Model of Memory

7 Multiple Memory Systems

8 Structure of the Neuron

9 Neural Communication: Electrical Process

10

11 Neural Communication: Chemical Process


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