Sport-related concussion is common in full-contact and collision sports. Epidemiology
studies use different types of surveillance systems and concussion definitions. Concussion …

Risk of secondary injury after a primary concussion in sports and military contexts is an
emerging area of interest in research. The purpose of this review was to provide an …

The objective of this study was to determine whether adolescents with attention-
deficit/hyperactivity disorder (ADHD) have prolonged return to school and sports following …

Background: Although some studies have observed a relationship between age of first
exposure (AFE) to American football and long-term outcomes, recent findings in collegiate …

Objective To develop new diagnostic criteria for mild traumatic brain injury (TBI) that are
appropriate for use across the lifespan and in sports, civilian trauma, and military settings …

Objective: Sport concussion is a common injury, and athletes with attention-
deficit/hyperactivity disorder (ADHD) and/or learning disorder (LD) are at increased risk and …

The objective of this study was to evaluate concussion-like symptom reporting among
uninjured adolescents with Attention-deficit/hyperactivity disorder (ADHD), stratified by …

Clinical recovery after sport-related concussion varies as a function of pre-injury and acute
factors. Whether, or the extent to which, concussion history is associated with clinical …

Objective/background Despite the prevalence of concussions in young athletes, the impact
of headaches on neurocognitive function at baseline is poorly understood. We analyze the …

Objective Studies have observed variable associations of prior contact sport participation
with subjective and objective measures of cognitive function. This study directly investigated …