Long-term Memory
Long-term Memory
Long-term Memory
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• interference at storage (neural networks)<br />
– memory is like many pictures drawn on top of each<br />
other so its hard to see any individual picture<br />
– when memories are added, the representation is<br />
permanently changed<br />
• new memories overwrite old memories (retroactive<br />
interference)<br />
• old memories make it more difficult to encode new memories<br />
(proactive interference)<br />
– an example – adding memories to a Hopfield network<br />
• when memories are stored, links between the features of a<br />
memory are created<br />
• at retrieval, activated features serve as the retrieval cues and<br />
the system cycles until the activation no longer changes
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