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

Amnesia01:13

Amnesia

884
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
884
Dissociative Amnesia01:21

Dissociative Amnesia

1.1K
Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
1.1K
Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

2.4K
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
2.4K
Traumatic Memory01:20

Traumatic Memory

749
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...
749
Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

1
DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
1

You might also read

Related Articles

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

Sort by
Same author

Leukoaraiosis and acute ischemic stroke: 90-day clinical outcome following endovascular recanalization, with proposed "L-ASPECTS".

Journal of neurointerventional surgery·2020
Same author

Association of local anesthesia versus conscious sedation with functional outcome of acute ischemic stroke patients undergoing embolectomy.

Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences·2020
Same author

Recurrent cryptogenic stroke: A potential role for an artificial intelligence-enabled electrocardiogram?

HeartRhythm case reports·2020
Same author

Update on Treatment of Acute Ischemic Stroke.

Continuum (Minneapolis, Minn.)·2020
Same author

Aneurysmal subarachnoid hemorrhage: long-term trends in incidence and survival in Olmsted County, Minnesota.

Journal of neurosurgery·2020
Same author

Sudden Cardiac Arrest Survivorship: A Scientific Statement From the American Heart Association.

Circulation·2020

Related Experiment Video

Updated: Apr 17, 2026

Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model
05:32

Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model

Published on: August 11, 2023

3.4K

Transient global amnesia.

Julieta E Arena1, Alejandro A Rabinstein1

  • 1Department of Neurology, Mayo Clinic, Rochester, MN.

Mayo Clinic Proceedings
|February 10, 2015
PubMed
Summary
This summary is machine-generated.

Transient global amnesia (TGA) is a temporary memory loss condition. While its exact cause remains unclear, TGA typically has a good long-term prognosis with a low relapse rate.

More Related Videos

A Mouse Model of Single and Repetitive Mild Traumatic Brain Injury
04:19

A Mouse Model of Single and Repetitive Mild Traumatic Brain Injury

Published on: June 20, 2017

11.8K
The Deese-Roediger-McDermott DRM Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott DRM Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

40.9K

Related Experiment Videos

Last Updated: Apr 17, 2026

Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model
05:32

Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model

Published on: August 11, 2023

3.4K
A Mouse Model of Single and Repetitive Mild Traumatic Brain Injury
04:19

A Mouse Model of Single and Repetitive Mild Traumatic Brain Injury

Published on: June 20, 2017

11.8K
The Deese-Roediger-McDermott DRM Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott DRM Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

40.9K

Area of Science:

  • Neurology
  • Clinical Neuroscience

Background:

  • Transient global amnesia (TGA) presents as sudden, temporary anterograde amnesia without other neurological deficits.
  • Characterized by repetitive questioning and potential retrograde memory loss, TGA episodes last up to 24 hours.

Purpose of the Study:

  • To review current knowledge on TGA epidemiology, pathophysiology, diagnosis, and prognosis.
  • To synthesize findings from a comprehensive literature search on TGA.

Main Methods:

  • Conducted a PubMed literature search with no date limitations.
  • Utilized search terms including "transient global amnesia," "etiology," "pathophysiology," "venous hypertension," "migraine," "magnetic resonance imaging," "computed tomography," "electroencephalography," "prognosis," and "outcome."
  • Reviewed bibliographies of retrieved articles.

Main Results:

  • TGA is a clinical diagnosis; characteristic features aid in avoiding unnecessary investigations.
  • Proposed pathophysiologic mechanisms (venous insufficiency, arterial ischemia, migrainous/epileptic phenomena) lack consistent proof.
  • Brain imaging is optional; EEG is recommended for brief, recurrent episodes. Routine investigations are often unnecessary.

Conclusions:

  • TGA diagnosis relies on clinical recognition.
  • Current evidence suggests a low relapse rate and no significantly increased risk of stroke or seizures.
  • Long-term cognitive outcomes for TGA patients are generally favorable.