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Related Concept Videos

Amnesia01:13

Amnesia

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...
Dissociative Amnesia01:21

Dissociative Amnesia

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...
Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
Eyewitness Memory01:22

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 like a...
Autobiographical Memory01:14

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 period is...
Explicit Memories01:27

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...

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Related Experiment Video

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A Real-world What-Where-When Memory Test
09:13

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

Talking across time: Using reported speech as a communicative resource in amnesia.

Melissa C Duff1, Julie A Hengst, Daniel Tranel

  • 1University of Iowa College of Medicine, Iowa City, IA USA.

Aphasiology
|August 30, 2008
PubMed
Summary
This summary is machine-generated.

Individuals with amnesia use less reported speech in conversations, indicating memory deficits impact complex language use. This suggests memory and language are interconnected, affecting communication after brain injury.

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Area of Science:

  • Neuroscience
  • Linguistics
  • Psychology

Background:

  • Amnesia is often associated with memory deficits, but subtle linguistic impairments are also reported.
  • The impact of memory impairments on everyday language use, particularly reported speech, remains under-explored.
  • Reported speech involves managing multiple temporal frames, making it a relevant area to study memory's influence on communication.

Purpose of the Study:

  • To document the frequency, type, and temporal contexts of reported speech in individuals with amnesia.
  • To compare reported speech use between amnesic and non-amnesic (comparison) participants.
  • To analyze the interactional characteristics of reported speech in discourse samples.

Main Methods:

  • Quantitative group comparisons and close discourse analysis were employed.
  • 18 participants (9 with amnesia, 9 comparison) were included, with discourse samples analyzed.
  • Reported speech episodes (RSEs) were identified and categorized.

Main Results:

  • All participants used reported speech, but amnesic participants produced significantly fewer RSEs.
  • No significant differences were found in the type or temporal domain of reported speech between groups.
  • Qualitative differences were observed in post-amnesia past reported speech episodes for amnesic participants.

Conclusions:

  • Memory and language have an interdependent relationship, with amnesia affecting complex language functions like reported speech.
  • Examining interactional communication is valuable for understanding brain-behavior relationships.
  • Communication interaction can be a target for rehabilitation in individuals with brain injuries.