When a memory is recalled, its separate components must be retrieved and put back together. Each individual component that must be reintegrated creates an opportunity for an error to occur, which contributes to the frail nature of human memory.

Source of Memory Reconstruction Errors

Different components of a single memory, such as the visual elements, smells, and the time an event occurred, are not stored together. Instead, these various parts are stored in different places.

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The process of bringing up old memories is called memory reconstruction. When a memory is retrieved from long-term storage into short-term memory, it becomes flexible and susceptible to modification. During this process, old memories can be unintentionally combined with new events, which alters what a person believes they remember and can result in inaccuracies or distortions.

Memory Reconstruction

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

A key witness in a trial provides testimony about an event that occurred several months ago. Based on your understanding of how memories are retrieved, evaluate the potential reliability of this testimony. In your answer, explain the cognitive process that can cause a person's recollection of an event to change over time, even when they are trying to be completely truthful.

Reliability of Eyewitness Accounts

An individual witnesses a minor traffic incident. When first questioned, they state they are unsure about the color of the car involved. A few days later, they overhear a friend confidently state the car was blue. When questioned again, the witness now reports with certainty that they saw a blue car. Which of the following best explains this change in the witness's recollection?

Distributed Storage of Memory Components

Police officers, prosecutors, and courts often rely on eyewitness identification and testimony in the prosecution of criminals, even though memory and the process of reconstruction can be fragile.

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