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Traumatic Brain Injury l: Introduction

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...

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Related Experiment Video

Updated: May 10, 2026

Controlled Cortical Impact Model for Traumatic Brain Injury

Controlled Cortical Impact Model for Traumatic Brain Injury

Published on: August 5, 2014

Targeted Multidomain Treatment for Mild Traumatic Brain Injury: A Randomized Clinical Trial.

Anthony P Kontos¹, Michael W Collins¹, David O Okonkwo²

¹Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania.

JAMA Network Open

|March 12, 2026

Summary

This summary is machine-generated.

A targeted multidomain (T-MD) intervention showed similar improvements in mild traumatic brain injury (mTBI) symptoms compared to standard care. Further analysis revealed specific benefits in ocular and vestibular domains for the T-MD group.

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Area of Science:

Neuroscience
Clinical Medicine
Rehabilitation Science

Background:

Mild traumatic brain injuries (mTBI) can lead to chronic symptoms affecting multiple domains, reducing patient quality of life.
Timely interventions targeting specific mTBI domains may accelerate recovery and improve outcomes.

Purpose of the Study:

To evaluate the effectiveness of a targeted multidomain (T-MD) intervention for adults with mild traumatic brain injury (mTBI).

Main Methods:

A multisite randomized clinical trial (RCT) involving 162 adult participants (aged 18-49) within 6 months of mTBI.
Participants were randomized to either a 4-week T-MD intervention tailored to individual domains or a behavioral management control group.
Primary outcomes included changes in Neurobehavioral Symptom Inventory (NSI) and Patient Global Impression of Change (PGIC) from baseline to 4 weeks.

Main Results:

Both T-MD and control groups showed similar improvements in overall mTBI symptom severity (NSI) and perceived change (PGIC).
Sensitivity analyses indicated greater improvements in the T-MD group for total, ocular, and vestibular symptoms.
Significant improvements were also noted in vestibular and ocular motor convergence, vestibulo-ocular reflex, visual motion sensitivity, and cognitive processing speed within the T-MD group.

Conclusions:

The targeted multidomain (T-MD) intervention and the control group yielded comparable overall improvements in mTBI symptoms and patient perception.
While overall outcomes were similar, the T-MD intervention demonstrated specific benefits in ocular, vestibular, and cognitive domains.
These findings suggest that while standard care is effective, a tailored multidomain approach may offer additional targeted benefits for mTBI recovery.