White matter hyperintensities and headache in United States military veterans with mild traumatic brain injury.

Objective: The objective of this study was to examine the association between white matter hyperintensities and migraine-like headache in United States military veterans with a history of mild traumatic brain injury.

Background: White matter hyperintensities on magnetic resonance imaging (MRI) may be associated with migraine; however, little is currently known about the relationship between white matter hyperintensities and headache following mild traumatic brain injury in military veterans.

Methods: This cross-sectional study consisted of a retrospective chart review of veterans from a Southeastern Department of Veterans Affairs polytrauma clinic who had a verified history of mild traumatic brain injury.

Hormonal Contraceptives Do Not Influence Concussion Recovery in Collegiate Athletes: Data from the NCAA-DoD CARE Consortium.

Introduction: The hormonal withdrawal hypothesis suggests that progesterone reduction in women after concussion may lead to greater symptom burden and longer recoveries. Current evidence indicates that hormonal stability after head injury may be an important moderator of postconcussive recovery. Thus, female athletes using hormonal contraceptives (HC) may exhibit better recovery profiles as their hormone levels are artificially stabilized.

N2b Reflects the Cognitive Changes in Executive Functioning After Concussion: A Scoping Review.

The N2b is an event-related potential (ERP) component thought to index higher-order executive function. While the impact of concussion on executive functioning is frequently discussed in the literature, limited research has been done on the role of N2b in evaluating executive functioning in patients with concussion. The aims of this review are to consolidate an understanding of the cognitive functions reflected by the N2b and to account for discrepancies in literature findings regarding the N2b and concussion.