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Autobiographical Memory

Autobiographical Memory

Autobiographical memory is a unique type of episodic memory that involves recollecting personal life experiences. It allows individuals to remember significant events from their past, creating a narrative of their lives. One interesting phenomenon related to autobiographical memory is the reminiscence bump. This effect refers to the tendency of adults to recall more events from their second and third decades of life — typically between ages 10 to 30 — than from other periods. This...

Explicit Memories

Explicit Memories

Explicit memories, also known as declarative memories, are consciously remembered, recalled, and reported. Studying for a chemistry exam involves material that will become part of explicit memory. There are two types of explicit memory: episodic and semantic.
Episodic memory contains information about personally experienced events and is reported as a story. An example of episodic memory is recalling a birthday celebration. This type of memory includes the what, where, and when of an event, as...

Flashbulb Memory

Flashbulb Memory

A flashbulb memory is a highly vivid and detailed memory, often linked to events of significant emotional impact. These memories stand out in contrast to everyday memories due to their clarity and the precision with which they are recalled. The strong emotions associated with the event act as a catalyst, ensuring that specific details, such as one's location, actions, and even peripheral elements, are etched into memory with remarkable accuracy. For example, many people can vividly recall...

Long-Term Memory

Long-Term Memory

Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...

Storage

Storage

A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...

System of Memory

System of Memory

Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...

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Related Experiment Video

Updated: Nov 5, 2025

A Real-world What-Where-When Memory Test

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

Episodic memory: Mental time travel or a quantum "memory wave" function?

Jeremy R Manning¹

¹Department of Psychological and Brain Sciences, Dartmouth College.

Psychological Review

|May 20, 2021

Summary

This summary is machine-generated.

Recollecting the past doesn't involve mentally time-traveling to a single moment. Instead, we retrieve past information by accessing multiple time points simultaneously, akin to a quantum wave function.

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Related Experiment Videos

Last Updated: Nov 5, 2025

A Real-world What-Where-When Memory Test

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

Gradient Echo Quantum Memory in Warm Atomic Vapor

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

Combining Behavior and EEG to Study the Effects of Mindfulness Meditation on Episodic Memory

Combining Behavior and EEG to Study the Effects of Mindfulness Meditation on Episodic Memory

Published on: May 11, 2020

Area of Science:

Cognitive Neuroscience
Psychology

Background:

The common intuition of episodic recall involves mentally revisiting a specific past moment.
Existing models of episodic memory recall may be incomplete or misleading.

Purpose of the Study:

To propose an alternative conceptual model for episodic memory retrieval.
To challenge the notion of mentally "jumping back in time" to a single past event.

Main Methods:

Re-examining existing models of episodic recall.
Integrating recent evidence from laboratory research.
Drawing parallels with quantum mechanics (e.g., wave function probability distribution).

Main Results:

Episodic recall involves simultaneously accessing multiple past time points, not a single point.
This retrieval process is conceptualized as analogous to a quantum wave function spreading probability over many states.

Conclusions:

The proposed model offers a novel perspective on how information is retrieved from episodic memory.
This revised model generates testable behavioral and neural predictions for future research.
The findings have implications for the experimental study of episodic memory.