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Anxiety Sensitivity and Alexithymia as Mediators of Postconcussion Syndrome Following Mild Traumatic Brain Injury / Rodger Ll. Wood; Geraldine OʼHagan; Claire Williams; Michael McCabe; Nicole Chadwick
Journal of Head Trauma Rehabilitation, Volume: 29, Issue: 1, Pages: E9 - E17
Swansea University Author: Williams, Claire
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DOI (Published version): 10.1097/HTR.0b013e31827eabba
OBJECTIVE: To examine the influence of anxiety sensitivity (AS) and alexithymia as potential mediators for the development of psychological distress and postconcussion syndrome after mild traumatic brain injury (mTBI). PARTICIPANTS:: Sixty-one patients with mTBI assessed at a mean of 2.38 weeks afte...
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OBJECTIVE: To examine the influence of anxiety sensitivity (AS) and alexithymia as potential mediators for the development of psychological distress and postconcussion syndrome after mild traumatic brain injury (mTBI). PARTICIPANTS:: Sixty-one patients with mTBI assessed at a mean of 2.38 weeks after injury and demographically matched healthy controls (n = 61). MEASURES: Twenty-item Toronto Alexithymia Scale, Anxiety Sensitivity Index, State-Trait Anxiety Inventory, and Rivermead Post Concussion Questionnaire. RESULTS: The mTBI group reported significantly higher levels of AS, alexithymia, psychological distress, and postconcussion (PC) symptom scores than controls. High AS and alexithymia in the mTBI group were associated with a greater number of PC symptoms and higher levels of psychological distress than patients scoring low on these measures and controls. In the mTBI group, a combination of AS and low mood explained 52.6% of the variance in PC symptom reporting. A combination of trait-anxiety, alexithymia, and PC symptoms explained 77.2% of the variance in levels of mood. CONCLUSION: A combination of low mood and high AS may act as a psychological diathesis for the development of persisting PC symptoms. Early identification could provide a focus for early intervention to prevent the development of postconcussion syndrome after mTBI.
Alexithymia; Anxiety Sensitivity; Mild Traumatic Brain Injury; Postconcussion Symptoms; Postconcussion Syndrome; Psychological Distress.
College of Human and Health Sciences