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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

805
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
805
Traumatic Memory01:20

Traumatic Memory

667
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...
667
Repressed Memory01:16

Repressed Memory

585
Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...
585
Flashbulb Memory01:16

Flashbulb Memory

432
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...
432
False Memories01:18

False Memories

622
False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information...
622
Amnesia01:13

Amnesia

757
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...
757

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Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
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Prospective Memory in Posttraumatic Stress Disorder.

J Cobb Scott1, Steven Paul Woods2, Kristen M Wrocklage3

  • 11VISN4 Mental Illness Research,Education, and Clinical Center at the Philadelphia VA Medical Center,Philadelphia,Pennsylvania.

Journal of the International Neuropsychological Society : JINS
|June 30, 2016
PubMed
Summary
This summary is machine-generated.

Individuals with posttraumatic stress disorder (PTSD) show impaired time-based prospective memory (PM), particularly in strategic monitoring. This deficit, linked to hyperarousal, may affect daily functioning and health behaviors.

Keywords:
AnxietyCognitive abilitiesMemoryNeuropsychologyPosttraumatic stress disorderProspective memory

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Area of Science:

  • Neuroscience
  • Psychology
  • Clinical Research

Background:

  • Posttraumatic stress disorder (PTSD) is associated with cognitive deficits in attention, memory, and executive functions.
  • Prospective memory (PM), crucial for future intentions, is understudied in PTSD.

Purpose of the Study:

  • To investigate prospective memory (PM) performance in veterans with PTSD compared to trauma-exposed controls.
  • To explore the relationship between PM deficits and PTSD symptoms, including hyperarousal.

Main Methods:

  • A cohort of 40 veterans with PTSD and 38 trauma comparison veterans were assessed.
  • Participants completed the Memory for Intentions Test (MIST), neurocognitive assessments, and psychiatric interviews.

Main Results:

  • Veterans with PTSD exhibited lower time-based PM performance, marked by omission errors.
  • No significant differences were found in event-based PM or ongoing task performance between groups.
  • Lower time-based PM was correlated with PTSD hyperarousal symptoms and executive functions.

Conclusions:

  • This study provides initial evidence of prospective memory dysfunction in PTSD, specifically in time-based tasks.
  • Findings suggest potential implications for daily functioning and health behaviors in individuals with PTSD.