Related Experiment Video
Updated: Aug 8, 2026

10:59
Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
Published on: November 19, 2012
Posttraumatic amnesia, post-concussional symptoms and accident neurosis
European Neurology
|January 1, 1980
Summary
This study on head injury patients found a link between amnesia duration and time off work. Post-traumatic emotional disorders varied with injury severity, and
Area of Science:
- Neurology
- Occupational Health
- Psychiatry
Background:
- Head injuries can lead to prolonged disability and emotional disorders.
- Understanding the factors influencing recovery is crucial for patient management and compensation claims.
Purpose of the Study:
- To investigate the relationship between head injury severity, posttraumatic amnesia, and work absence.
- To differentiate between posttraumatic emotional disorders and 'accident neurosis' in employed individuals.
Main Methods:
- Survey of 398 employed head injury patients undergoing compensation examinations.
- Correlation analysis of posttraumatic amnesia duration with time off work.
- Assessment of recovery rates for emotional disorders based on injury severity.
Main Results:
- A strong correlation exists between posttraumatic amnesia duration and time off work in uncomplicated cases.
- Recovery from posttraumatic emotional disorders (depression, anxiety) is linked to initial injury severity.
- 'Accident neurosis' is rare in severe injuries and more prevalent in manual workers after workplace accidents compared to road accidents.
Conclusions:
- Posttraumatic emotional disorder and 'accident neurosis' are distinct conditions, not points on a continuum.
- Injury severity is a key factor in the prognosis of emotional sequelae after head injury.
- Occupational factors may influence the presentation of 'accident neurosis'.
Related Concept Videos
Traumatic 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...
False Memories
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 with...
One primary source of false memories is misattribution, where individuals incorrectly associate external information with...
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...
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...
Post-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...
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...
Traumatic 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...

