Reduced prefrontal MEG alpha-band power in mild traumatic brain injury with associated posttraumatic stress disorder symptoms

Highlights • PTSD in patients with mTBI is associated with reduced prefrontal alpha-band power. • The reduction in alpha-band power primarily reflects the PTSD symptom of emotional numbing. • Loss of consciousness in mTBI predicts an alpha-band power decrease associated with comorbid PTSD.

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Bibliographic Details
Published in:Clinical neurophysiology 2016-09, Vol.127 (9), p.3075-3085
Main Authors: Popescu, Mihai, Hughes, John D, Popescu, Elena-Anda, Riedy, Gerard, DeGraba, Thomas J
Format: Article
Language:English
Subjects:
Adult
Alpha Rhythm - physiology
Alpha-band oscillations
Brain Concussion - epidemiology
Brain Concussion - physiopathology
Brain Concussion - psychology
Cross-Sectional Studies
Humans
Magnetoencephalography
Magnetoencephalography - methods
Male
Military Personnel - psychology
Neurology
Post-traumatic stress disorder
Prefrontal Cortex - physiopathology
Resting-state
Self Report
Stress Disorders, Post-Traumatic - epidemiology
Stress Disorders, Post-Traumatic - physiopathology
Stress Disorders, Post-Traumatic - psychology
Traumatic brain injury
Unconsciousness - epidemiology
Unconsciousness - physiopathology
Unconsciousness - psychology
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Description
Summary:Highlights • PTSD in patients with mTBI is associated with reduced prefrontal alpha-band power. • The reduction in alpha-band power primarily reflects the PTSD symptom of emotional numbing. • Loss of consciousness in mTBI predicts an alpha-band power decrease associated with comorbid PTSD.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2016.06.004