Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Autobiographical Memory01:14

Autobiographical Memory

6.4K
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...
6.4K
Traumatic Memory01:20

Traumatic Memory

480
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...
480
Flashbulb Memory01:16

Flashbulb Memory

285
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...
285
Eyewitness Memory01:22

Eyewitness Memory

388
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...
388
Explicit Memories01:27

Explicit Memories

377
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...
377
Implicit Memories01:24

Implicit Memories

392
Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
392

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Autobiographical Memory in Alzheimer's Disease: Understanding to Better Support Patients].

Geriatrie et psychologie neuropsychiatrie du vieillissement·2026
Same author

A memory lens on gender differences in romantic relationships.

The Behavioral and brain sciences·2026
Same author

Pupillometry as a Differential Indicator of Cognitive Processing in Alzheimer Disease and Behavioral Variant Frontotemporal Dementia.

Alzheimer disease and associated disorders·2026
Same author

Arabic Validation of the Noise-Induced Hearing Loss-Symptoms (NIHL-S) Scale Among Civilians Exposed to Loud Blasts During the 2024 Israeli Invasion of Lebanon.

Health science reports·2026
Same author

Disrupted emotion-memory interactions in behavioral variant frontotemporal dementia.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2026
Same author

Validation of the Arabic-Language Version of the Laune-Slade Hallucinations Scale-Extended (LSHS-E) in Young General Population Adults.

Early intervention in psychiatry·2026

Related Experiment Video

Updated: Dec 31, 2025

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
11:30

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Published on: August 26, 2011

10.2K

Autobiographical Memory Increases Pupil Dilation.

Mohamad El Haj1,2,3, Steve M J Janssen4, Karim Gallouj2

  • 1Nantes Université, Univ Angers, Laboratoire de Psychologie des Pays de la Loire (LPPL - EA 4638), F-44000 Nantes, France.

Translational Neuroscience
|January 10, 2020
PubMed
Summary
This summary is machine-generated.

Autobiographical memory retrieval causes pupil dilation, indicating heightened cognitive effort. Emotional valence of memories did not significantly affect pupil size in this study.

Keywords:
autobiographical memorypupilpupil dilationpupillometry

More Related Videos

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation
07:26

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation

Published on: November 26, 2019

8.6K
Pupillometry to Assess Auditory Sensation in Guinea Pigs
09:25

Pupillometry to Assess Auditory Sensation in Guinea Pigs

Published on: January 6, 2023

2.2K

Related Experiment Videos

Last Updated: Dec 31, 2025

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
11:30

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Published on: August 26, 2011

10.2K
Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation
07:26

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation

Published on: November 26, 2019

8.6K
Pupillometry to Assess Auditory Sensation in Guinea Pigs
09:25

Pupillometry to Assess Auditory Sensation in Guinea Pigs

Published on: January 6, 2023

2.2K

Area of Science:

  • Cognitive Neuroscience
  • Psychophysiology

Background:

  • Pupil activity serves as a key indicator of cognitive processing.
  • Understanding pupil responses offers insights into mental states.

Purpose of the Study:

  • To investigate pupil dilation during autobiographical memory retrieval.
  • To compare pupil responses between memory retrieval and a control task.
  • To examine the influence of emotional valence on pupil dilation during memory recall.

Main Methods:

  • Pupil diameter was measured during the retrieval of autobiographical memories (free, positive, negative) and a control task (counting aloud).
  • Participants recalled memories associated with specific emotional cues or general prompts.

Main Results:

  • Pupil diameter was significantly larger during autobiographical memory retrieval compared to the control task.
  • No significant differences in pupil diameter were observed across different types of autobiographical memories (free, positive, negative).

Conclusions:

  • Autobiographical memory retrieval is associated with increased pupil dilation.
  • The emotional valence of autobiographical memories does not appear to influence pupil size.
  • Pupil dilation is a reliable psychophysiological marker for autobiographical memory retrieval.