Related Experiment Video
Updated: Jun 21, 2026

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
Published on: November 14, 2018
A global theory of remembering and forgetting from multiple lists
Melissa Lehman1, Kenneth J Malmberg
1Department of Psychology, University of South Florida, Tampa, FL 33620, USA. mlehman@mail.usf.edu
This study presents a global theory explaining intentional and unintentional forgetting. Contextual interference, a change in mental context, is key to both remembering and forgetting information.
Area of Science:
- Cognitive Psychology
- Memory Research
- Forgetting Theory
Background:
- Forgetting is a common human experience, occurring both unintentionally and intentionally.
- Existing theories often address specific types of forgetting, lacking a unified explanation.
- Understanding the mechanisms of forgetting is crucial for memory enhancement and cognitive science.
Purpose of the Study:
- To present a global theory of recognition and free recall that accounts for both intentional and unintentional forgetting.
- To explain how contextual changes influence memory accessibility.
- To provide a unified framework for understanding diverse forgetting phenomena.
Main Methods:
- Development of a global theory based on contextual interference.
- Analysis of data from multiple list experiments on recognition and free recall.
- Examination of intentional forgetting through metacognitive context shifts.
Main Results:
- Contextual interference is identified as a critical factor in both intentional and unintentional forgetting.
- Unintentional forgetting arises from natural context changes between study and test.
- Intentional forgetting is achieved by a deliberate mental context shift, affecting information accessibility.
Conclusions:
- The presented theory offers a unified explanation for various forgetting and remembering phenomena.
- Metacognitive control over mental context is central to intentional forgetting.
- The findings have implications for understanding directed forgetting, source memory, and encoding strategies.
More Related Videos
07:59Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
Published on: June 14, 2019
07:26The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
Published on: January 31, 2017
Related Concept Videos
Interference and Decay
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Forgetting
Encoding...
Storage
Mnemonic Devices
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
Understanding Memory
System of Memory