Related Experiment Video
Updated: Feb 24, 2026
11:01
Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
14.1K
Accelerated long-term forgetting and autobiographical memory disorders in temporal lobe epilepsy: One entity or two?
B Lemesle1, M Planton1, B Pagès1
1Department of neurology, Toulouse university hospital, place du Dr-Baylac, 31059 Toulouse cedex, France; Toulouse neuroimaging center, université de Toulouse, Inserm, UPS, place du Dr-Baylac, 31059 Toulouse cedex, France.
Revue Neurologique
|August 28, 2017
Summary
Temporal lobe epilepsy (TLE) significantly impacts memory, often manifesting as accelerated long-term forgetting and autobiographical memory issues. These deficits may represent a single entity related to memory consolidation disorders.
Area of Science:
- Neurology
- Cognitive Neuroscience
Background:
- Temporal lobe epilepsy (TLE) frequently causes memory impairments, notably accelerated long-term forgetting and autobiographical memory disorders.
- Standard neuropsychological assessments often struggle to objectively quantify these memory difficulties reported by TLE patients.
Purpose of the Study:
- To address the heterogeneity in evaluating long-term and autobiographical memory deficits in TLE.
- To propose a unified approach for assessing memory impairments in TLE within the framework of memory consolidation disorders.
Main Methods:
- Literature analysis to identify common characteristics of accelerated long-term forgetting and autobiographical memory disorders in TLE.
- Conceptual framework focusing on memory consolidation disorders for evaluating these memory deficits.
Main Results:
- Despite methodological variations, memory deficits in TLE patients are consistently observed and appear robust.
- Accelerated long-term forgetting and autobiographical memory disorders share clinical characteristics, suggesting they may be a single entity.
Conclusions:
- A unified evaluation procedure for TLE-related memory impairments is proposed, focusing on memory consolidation.
- Assessing accelerated forgetting in autobiographical memory should involve identifying disorders in the formation and/or retrieval of new memory traces.
Related Concept Videos
01:13Amnesia
640
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...
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...
640
01:26Higher Mental Functions of Brain: Learning and Memory
2.2K
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...
2.2K
01:20Traumatic Memory
627
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...
627
01:14Autobiographical Memory
6.9K
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...
6.9K
01:21Forgetting
442
Forgetting is an intrinsic aspect of human memory, characterized by the gradual loss or inaccessibility of information over time. Hermann Ebbinghaus, a pioneering psychologist, extensively studied this phenomenon and formulated the forgetting curve. This curve illustrates that memory loss occurs rapidly immediately after learning and then decelerates over time. Several mechanisms contribute to forgetting, including encoding failure, storage decay, retrieval failure, and interference.
Encoding...
Encoding...
442
01:16Interference and Decay
509
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
509