Related Experiment Video
Updated: Aug 13, 2026
10:59
Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
Published on: November 19, 2012
Cognitive impact of traumatic events
1Department of Psychology, Stanford University, CA 94305, USA. Gordon@psych.stanford.edu
Development and Psychopathology
|January 14, 1999
Summary
Traumatic experiences significantly impact memory, influencing fear conditioning and leading to conditions like posttraumatic stress disorder (PTSD). Therapy must address both fear extinction and rebuilding core beliefs.
Area of Science:
- Psychology
- Neuroscience
- Trauma Studies
Background:
- Traumatic experiences profoundly affect cognitive functions, particularly memory.
- Key psychological symptoms of trauma include reexperiencing, avoidance, and hypervigilance, often linked to posttraumatic stress disorder (PTSD).
- Traditional views relate trauma sequelae to fear conditioning mechanisms.
Purpose of the Study:
- To review the impact of trauma on cognitive processes, especially memory.
- To explore psychological and neurophysiological mechanisms of enhanced emotional memory.
- To discuss the role of explicit and implicit memory, the experiencing ego, and dissociative experiences in traumatic memory.
Main Methods:
- Literature review of psychological and neurophysiological evidence.
- Analysis of the distinction between explicit and implicit memory in trauma.
- Discussion of dissociative experiences and their relation to hypnotizability and trauma reactions.
Main Results:
- Evidence supports enhanced memory for the gist of emotional events following trauma.
- The distinction between explicit and implicit memory is crucial for understanding traumatic memory and PTSD.
- Dissociative experiences during trauma are linked to amnesia and involuntary flashbacks.
Conclusions:
- Traumatic memories involve more than fear conditioning; they challenge fundamental beliefs about the world.
- Effective psychotherapy for trauma victims requires addressing fear, vulnerability, and rebuilding basic assumptions.
- Understanding memory processes, including explicit and implicit systems, is vital for trauma treatment.
Related Concept Videos
01:16Flashbulb Memory
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 where...
01:20Traumatic Memory
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 remembers mundane...
01:27Post-traumatic Stress Disorder
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, are a...
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events, are a...
01:25Beck's Cognitive Therapy
Cognitive therapy is a psychological approach designed to address distortions in thinking, which can lead to negative emotions and unrealistic beliefs. These cognitive distortions often influence how individuals interpret and respond to situations, exacerbating emotional distress. Below are some prevalent cognitive distortions, their characteristics, and examples of how they manifest in thought processes.
Arbitrary Inference
Arbitrary inference involves making conclusions without sufficient...
Arbitrary Inference
Arbitrary inference involves making conclusions without sufficient...
01:29The Influence of Cognition on Affect
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be interpreted as...
01:28Traumatic Brain Injury l: Introduction
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...