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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...

Traumatic Memory

Traumatic Memory

Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...

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...

Eyewitness Memory

Eyewitness Memory

Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function...

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...

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.
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Related Experiment Video

Updated: Jul 26, 2025

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Published on: August 26, 2011

Long-term, multi-event surprise correlates with enhanced autobiographical memory.

James W Antony¹, Jacob Van Dam², Jarett R Massey²

¹Department of Psychology and Child Development, California Polytechnic State University, San Luis Obispo, CA, USA. jwantony@calpoly.edu.

Nature Human Behaviour

|June 15, 2023

Summary

Surprise enhances memory recall. This study found that unexpected events in basketball, from individual plays to entire seasons, led to better memory of those moments, especially for positive memories.

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Area of Science:

Cognitive Psychology
Neurobiology
Sports Analytics

Background:

Learning models highlight prediction errors (surprises) for memory.
The impact of multi-event and multi-timescale surprise on memory is less understood.

Purpose of the Study:

To investigate the relationship between surprise across different timescales and autobiographical memory recall in sports fans.
To determine if surprise magnitude correlates with memory vividness and accuracy.

Main Methods:

Collected autobiographical memories (positive and negative) of basketball events (plays, games, seasons) from fans.
Utilized advanced analytics on NBA play-by-play data and betting odds (17 seasons, >5.6 million plays) to quantify surprise.
Aligned quantified surprise values with fan memory timescales (seconds, hours, months).

Main Results:

Surprising events correlated with better recall of positive memories across seconds and months.
Negative memories showed enhanced recall across all three timescales (seconds, hours, months).
Long-term, multi-event surprise, not just short-term surprise, predicted memory recall for games and seasons.

Conclusions:

Surprise is a critical factor in memory formation, extending beyond momentary events.
Multi-event and multi-timescale surprise significantly influences long-term memory in real-world contexts.
Findings support and expand upon neurobiological and psychological models of learning and memory.