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Related Concept Videos

Traumatic Brain Injury l: Introduction01:28

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...
Traumatic Memory01:20

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...
Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
Post-traumatic Stress Disorder01:27

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...

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Related Experiment Video

Updated: May 31, 2026

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury
09:49

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury

Published on: January 20, 2023

Repeat traumatic brain injury in the developing brain.

M L Prins1, C C Giza

  • 1UCLA David Geffen School of Medicine, Department of Neurosurgery, United States. mprins@mednet.ucla.edu

International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience
|June 21, 2011
PubMed
Summary
This summary is machine-generated.

Traumatic brain injuries (TBIs) affect 1.7 million Americans annually, with a growing concern for repeat TBIs (RTBIs) in developing brains. This review highlights challenges and research models to improve clinical care for this vulnerable population.

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Development of an Uncomplicated Mild Traumatic Brain Injury Model Modified by Weight-Drop Method and Evidenced by Magnetic Resonance Imaging

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Related Experiment Videos

Last Updated: May 31, 2026

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury
09:49

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury

Published on: January 20, 2023

Controlled Cortical Impact Model for Traumatic Brain Injury
05:30

Controlled Cortical Impact Model for Traumatic Brain Injury

Published on: August 5, 2014

Development of an Uncomplicated Mild Traumatic Brain Injury Model Modified by Weight-Drop Method and Evidenced by Magnetic Resonance Imaging
08:27

Development of an Uncomplicated Mild Traumatic Brain Injury Model Modified by Weight-Drop Method and Evidenced by Magnetic Resonance Imaging

Published on: April 11, 2025

Area of Science:

  • Neuroscience
  • Public Health
  • Clinical Medicine

Background:

  • Traumatic brain injury (TBI) is a significant public health issue, with 1.7 million cases annually in the US.
  • Approximately 51% of TBIs occur during critical periods of cerebral development.
  • Repeat traumatic brain injury (RTBI) is an emerging concern, affecting an estimated 5.6% to 36% of the TBI population.

Purpose of the Study:

  • To review the current clinical challenges associated with TBI and RTBI.
  • To summarize existing experimental research models for studying TBI and RTBI.
  • To identify critical areas needing further research for developing age-relevant clinical management guidelines.

Main Methods:

  • Literature review of clinical problems and experimental models related to TBI and RTBI.
  • Synthesis of existing data on TBI incidence and RTBI prevalence.
  • Identification of research gaps and future directions.

Main Results:

  • Significant challenges exist in managing TBI and RTBI, particularly in developing brains.
  • Current experimental models offer insights but require further refinement for age-specific relevance.
  • There is a critical need for standardized protocols and further research into the long-term effects of RTBI.

Conclusions:

  • Protecting individuals, especially children and adolescents, from RTBI requires improved clinical guidelines.
  • Further research into age-specific TBI pathophysiology and treatment is essential.
  • Development of targeted interventions is necessary to mitigate the impact of RTBI on neurodevelopment.