Mild traumatic brain injury in translation

Area of Science:

• Neuroscience
• Traumatology
• Clinical Research

Background:

• Mild traumatic brain injury (mTBI) presents significant methodological challenges in outcome studies and clinical trials.
• Advances in neuroimaging and computerized cognitive assessments offer improved sensitivity and efficiency for mTBI evaluation.
• mTBI research now encompasses civilian injuries in athletes and blast-related injuries in military personnel.

Purpose of the Study:

• To highlight methodological challenges in mTBI outcome studies and clinical trials.
• To review recent advances in mTBI assessment and investigation.
• To integrate basic neuroscience with human mTBI studies for improved understanding and treatment.

Main Methods:

• Review of recent advances in brain imaging techniques.
• Utilization of portable, computerized cognitive tasks for mTBI assessment.
• Integration of animal models (cortical impact, fluid percussion, closed head, blast injury) with human mTBI studies.

Main Results:

• New protocols are sensitive to mTBI effects and efficient for patient evaluation.
• Acceleration-deceleration and blast mechanisms of mTBI show similar cognitive effects.
• Repetitive mTBI may have cumulative effects, potentially leading to neurodegenerative conditions.

Conclusions:

• Despite challenges, advancements in assessment tools are improving mTBI research.
• Animal models are crucial for understanding mTBI, though accurately modeling post-concussion symptoms remains difficult.
• Translating successful animal model interventions to human mTBI patients is a research priority.