Memory errors, or failures in remembering, can be broadly classified into different categories. A prominent framework is Schacter's 'Seven Sins of Memory,' which divides errors into sins of omission (forgetting) and sins of commission (distortions). Other significant errors include those stemming from the misinformation effect, source misattribution, and pragmatic inferences.

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Human memory is not a perfect recording device; it is flexible and susceptible to numerous errors. These inaccuracies can lead to feelings of frustration or embarrassment and have significant real-world consequences, such as the demonstrated unreliability of eyewitness testimony in legal contexts.

Problems with Memory

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

* Amnesia
* Dementia
* Alzheimer's Disease

Disorders of Memory

Forgetting is defined as the loss of information from long-term memory. This is a universal human experience, manifesting in everyday situations like forgetting a name, a birthday, or the location of personal items like car keys. Such memory failures, while common, can be a source of frustration and embarrassment, underscoring the fragile nature of human memory.

Forgetting

Suggestibility is a memory distortion error where individuals accept and incorporate misinformation from external sources into their personal recollections. This process, which can be triggered by leading questions from sources like a therapist or a police interviewer, can lead to the creation of false memories for events or details that were only suggested, not actually experienced.

Suggestibility

A false memory is a recollection of an event, or details of an event, that did not actually occur. This phenomenon highlights that human memory is not a perfect, video-like recording of the past but is instead a reconstructive process capable of creating memories for things that never happened.

False Memories

Misattribution is a type of memory error comprised of forgetting the correct source of information. For example, misattribution occurs as a person believes they had a certain conversation with their best friend, but in reality, they had that conversation with their parent.

Misattribution 

Misleading information that is presented to someone after witnessing event can change how they recall and explain that event. One common explanation is retroactive interference (new learning interfering with old memory/understanding)

Misinformation  Effect Paradigm

Classification of Memory Errors

Despite the known fragility of human memory, the legal system, including police, prosecutors, and courts, often depends heavily on eyewitness testimony for criminal prosecutions. This reliance is problematic because memory is a reconstructive process, making eyewitness accounts susceptible to errors that can lead to faulty identifications and, ultimately, wrongful convictions.

Eyewitness Testimony and its Unreliability

Elizabeth Loftus is a cognitive psychologist known for her extensive research on human memory. Her work has significantly contributed to the understanding of false memories and the concept of recovered memories, particularly in the context of childhood sexual abuse. Loftus is also credited with developing the misinformation effect paradigm.

Elizabeth Loftus

The concept of repressed memories, originating with Sigmund Freud, posits that memories of traumatic experiences can be unconsciously blocked from awareness. This idea has been a significant and controversial topic within psychology, with ongoing debate about its validity and the mechanisms through which memories might be recovered.

Repressed Memories

To counteract the natural fallibility and errors of the human memory system, various strategies can be employed. Common techniques include the use of mnemonic devices, rehearsal, self-referencing, and ensuring adequate sleep. These methods are also beneficial for enhancing learning and studying effectively.

Strategies to Combat Memory Failure

Analyze the following scenario and identify the specific memory error that leads the witness to recall seeing broken glass. Explain the psychological process responsible for this inaccurate memory.

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