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Approaches to Forgetting in Memory: Understanding Decay and Interference

Dive into the complex mechanisms of forgetting in memory with Professor Graham Davies. Explore theories like the Wax Tablet Theory, Interference, and the Modal Model to uncover the reasons behind memory decay. Discover concepts such as cue-dependent forgetting and motivated forgetting, with insights into cases like the Susan Nason Murder and the False Memory controversy. Unravel the nuanced factors that contribute to forgetting across different memory stages and materials.

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Approaches to Forgetting in Memory: Understanding Decay and Interference

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  1. University of LeicesterYear 1 Psychology Learning and Memory Professor Graham Davies Lecture 5 Copies of Overheads Approaches to Forgetting

  2. Do memories decay ? • Plato: Wax Tablet Theory • McGeoch’s criticisms (1932) • Jenkins & Dallenbach (1924)

  3. Interference from existing or subsequent memories • Retroactive interference • Pro-active interference • Rote vs Meaningful Learning (Ausubel et al. 1968)

  4. Forgetting and the Modal Model • Three stages of memory - encoding - storage - retrieval • Forgetting from sensory memory (decay?) • Forgetting from short term memory (interference?) • Forgetting from long term memory (retrieval failure?)

  5. Forgetting as retrieval failure • Availability versus accessibility • Cue-dependent forgetting (Thomson & Tulving, 1970) • State-dependent forgetting (Eich, 1980) • Environmentally-dependent forgetting (Godden & Baddeley, 1975)

  6. Motivated forgetting ? • Concept of Repression (Freud) • Eileen Franklin and the Susan Nason Murder case (1969) • The Recovered Memory / False Memory controversy No one explanation for forgetting, rather, different factors operate in different types of task and ranges of material.

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