Paul Comper
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View article: A - 26 Re-establishing and Refining Baseline Neuropsychological Test Data Among Professional Hockey Players Using Regression-Based Prediction Models
A - 26 Re-establishing and Refining Baseline Neuropsychological Test Data Among Professional Hockey Players Using Regression-Based Prediction Models Open
Purpose Create contemporary culturally relevant baseline reference values for use in evaluating concussed NHL athletes using traditional and regression-based models that are co-normed with estimates of premorbid functioning and English lan…
View article: Examining the Reliability and Validity of Coding Perceived Force Severity and Bracing in the NHL Concussion Spotter Program
Examining the Reliability and Validity of Coding Perceived Force Severity and Bracing in the NHL Concussion Spotter Program Open
Background: Data obtained from the National Hockey League (NHL) have shown that a risk prediction model, including both visible signs and mechanisms of injury, improves the identification of possible concussion. However, only about half of…
View article: 2.7 Does the SCAT5 10-word list improve the distribution of scores over the SCAT3 5-word list in professional hockey players?
2.7 Does the SCAT5 10-word list improve the distribution of scores over the SCAT3 5-word list in professional hockey players? Open
Objective The SCAT5 introduced Immediate Memory (IM) and Delayed Recall (DR)10-word lists to improve the ceiling effects found on SCAT3 5-word lists. We examined whether the 10-word lists improved the normative distribution of scores over …
View article: Concussion Characteristics in the National Hockey League Before and After the Introduction of Rule 48
Concussion Characteristics in the National Hockey League Before and After the Introduction of Rule 48 Open
Importance A rule prohibiting a direct hit to the lateral side of the head (ie, Rule 48–Illegal Check to the Head) was introduced in the National Hockey League (NHL) in the 2010-2011 season and refined in the 2011-2012 season to widen the …
View article: The Toronto Concussion Study: a prospective investigation of characteristics in a cohort of adults from the general population seeking care following acute concussion, 2016–2020
The Toronto Concussion Study: a prospective investigation of characteristics in a cohort of adults from the general population seeking care following acute concussion, 2016–2020 Open
Purpose There is limited research regarding the characteristics of those from the general population who seek care following acute concussion. Methods To address this gap, a large cohort of 473 adults diagnosed with an acute concussion (fe…
View article: The Toronto Concussion Study: Reference Data for Balance and Gait Measures in Community-Dwelling Adults With Concussion
The Toronto Concussion Study: Reference Data for Balance and Gait Measures in Community-Dwelling Adults With Concussion Open
Objective Concussion can cause deficits in balance and gait. Much of what is known about how concussion affects balance and gait has been derived from studies involving youth, high school, and university athletes. However, investigation in…
View article: Revisiting the ICHD-3 criteria for headache attributed to mild traumatic injury to the head: Insights from the Toronto Concussion Study Analysis of Acute Headaches Following Concussion
Revisiting the ICHD-3 criteria for headache attributed to mild traumatic injury to the head: Insights from the Toronto Concussion Study Analysis of Acute Headaches Following Concussion Open
Background There is limited prospective data on the prevalence, timing of onset, and characteristics of acute headache following concussion/mild traumatic brain injury. Methods Adults diagnosed with concussion (arising from injuries not re…
View article: A Cross-Sectional Decision-Making Approach to Inform Neuropsychological Battery Development in Professional Hockey
A Cross-Sectional Decision-Making Approach to Inform Neuropsychological Battery Development in Professional Hockey Open
Objective Neuropsychologists commonly use a large battery of tests to inform clinical decisions. Decision analysis can be used to determine which individual tests play a role in the decision-making process. The objective of this project wa…
View article: P.082 The Toronto Concussion Study: The Feasibility and Effects of Early Prescribed Aerobic Exercise on Recovery and Post-Concussive Symptoms in Adults – A Pilot Study
P.082 The Toronto Concussion Study: The Feasibility and Effects of Early Prescribed Aerobic Exercise on Recovery and Post-Concussive Symptoms in Adults – A Pilot Study Open
Background: Evidence suggests that aerobic exercise (AE) soon after concussion may facilitate earlier recovery in athletes. The purpose of this pilot study was to investigate the feasibility and effects of early sub-symptom threshold AE on…
View article: Can Sport Concussion Assessment Tool (SCAT) Symptom Scores Be Converted to Rivermead Post-concussion Symptoms Questionnaire (RPQ) Scores and Vice Versa? Findings From the Toronto Concussion Study
Can Sport Concussion Assessment Tool (SCAT) Symptom Scores Be Converted to Rivermead Post-concussion Symptoms Questionnaire (RPQ) Scores and Vice Versa? Findings From the Toronto Concussion Study Open
Background: The Rivermead Post-Concussion Symptoms Questionnaire (RPQ) and the Sports Concussion Assessment Tool (SCAT) are widely used self-report tools assessing the type, number, and severity of concussion symptoms. There are overlappin…
View article: Prediction of risk of prolonged post-concussion symptoms: Derivation and validation of the TRICORDRR (Toronto Rehabilitation Institute Concussion Outcome Determination and Rehab Recommendations) score
Prediction of risk of prolonged post-concussion symptoms: Derivation and validation of the TRICORDRR (Toronto Rehabilitation Institute Concussion Outcome Determination and Rehab Recommendations) score Open
Background Approximately 10% to 20% of people with concussion experience prolonged post-concussion symptoms (PPCS). There is limited information identifying risk factors for PPCS in adult populations. This study aimed to derive a risk scor…
View article: Normative Data for the Fear Avoidance Behavior After Traumatic Brain Injury Questionnaire in a Clinical Sample of Adults With Mild TBI
Normative Data for the Fear Avoidance Behavior After Traumatic Brain Injury Questionnaire in a Clinical Sample of Adults With Mild TBI Open
Objective: Fear avoidance behavior after a concussion or mild traumatic brain injury (mTBI) is associated with a number of adverse outcomes, such as higher symptom burden, emotional distress, and disability. The Fear Avoidance Behavior aft…
View article: Traumatic Brain Injury, Abuse, and Poor Sustained Attention in Youth and Young Adults Who Previously Experienced Foster Care
Traumatic Brain Injury, Abuse, and Poor Sustained Attention in Youth and Young Adults Who Previously Experienced Foster Care Open
Youth and young adults who previously experienced foster care are prone to negative life events, such as physical injuries, and adverse childhood experiences (ACE), such as abuse, neglect, and household dysfunction. The purpose of the pres…
View article: Use of the Sport Concussion Assessment Tool 5 (SCAT5) in professional hockey, part 1: cross-cultural normative data
Use of the Sport Concussion Assessment Tool 5 (SCAT5) in professional hockey, part 1: cross-cultural normative data Open
Objectives This paper provides comprehensive normative data stratified by language preference and age on the components of the National Hockey League (NHL) Sport Concussion Assessment Tool 5 (SCAT5) in a multilingual sample of professional…
View article: Use of the Sport Concussion Assessment Tool 5 (SCAT5) in professional hockey, part 2: which components differentiate concussed and non-concussed players?
Use of the Sport Concussion Assessment Tool 5 (SCAT5) in professional hockey, part 2: which components differentiate concussed and non-concussed players? Open
Objectives To examine the utility of Sport Concussion Assessment Tool (SCAT5) subcomponents in differentiating physician diagnosed concussed players from controls. Methods We evaluated 1924 professional hockey players at training camp usin…
View article: Neuropsychological Assessment of Professional Ice Hockey Players: A Cross-Cultural Examination of Baseline Data Across Language Groups
Neuropsychological Assessment of Professional Ice Hockey Players: A Cross-Cultural Examination of Baseline Data Across Language Groups Open
Objective Neuropsychological testing in sports has become routine across all levels of play. The National Hockey League (NHL) has conducted baseline neuropsychological assessment of all players since 1997. This study seeks to examine basel…
View article: The Utility of the King-Devick Test in Evaluating Professional Ice Hockey Players with Suspected Concussion
The Utility of the King-Devick Test in Evaluating Professional Ice Hockey Players with Suspected Concussion Open
Purpose The King-Devick (KD) is a measure of rapid number naming used in the evaluation of sports-related concussion (SRC). Recent data from the Canadian Football League and Rugby Union suggest that the KD should not be used as a stand-alo…
View article: Testing the Hybrid Battery Approach to Evaluating Sports-Related Concussion in the National Hockey League: A Factor Analytic Study
Testing the Hybrid Battery Approach to Evaluating Sports-Related Concussion in the National Hockey League: A Factor Analytic Study Open
Purpose Traditional “paper and pencil” neuropsychological tests and computerized test batteries have been employed in the assessment of sports-related concussion (SRC). Each type of test has inherent strengths and weaknesses. The NHL has c…
View article: Earlier time to aerobic exercise is associated with faster recovery following acute sport concussion
Earlier time to aerobic exercise is associated with faster recovery following acute sport concussion Open
Earlier initiation of aerobic exercise was associated with faster full return to sport and school or work. This study provides greater insight into the benefits and safety of aerobic exercise within the first week of the injury.
View article: The association between adverse childhood experiences and adult traumatic brain injury/concussion: a scoping review
The association between adverse childhood experiences and adult traumatic brain injury/concussion: a scoping review Open
Background: Adverse childhood experiences are significant risk factors for physical and mental illnesses in adulthood. Traumatic brain injury/concussion is a challenging condition where pre-injury factors may affect recovery. The associati…
View article: The association between adverse childhood experiences and traumatic brain injury/concussion in adulthood: A scoping review protocol
The association between adverse childhood experiences and traumatic brain injury/concussion in adulthood: A scoping review protocol Open
Introduction Exposure to adverse childhood experiences (ACEs) is a significant risk factor for physical and mental illnesses later in life. Concussion or traumatic brain injury is a challenging condition where preinjury factors may interac…
View article: Pre-injury variables and risk of sport concussion
Pre-injury variables and risk of sport concussion Open
Objective The study examined whether cognitive functioning, history of concussion (HOC), and sex predicted risk of sport concussion. Design Retrospective study design. Predictive models were used to determine the predictive ability of each…
View article: Influence of Extrinsic Risk Factors on National Football League Injury Rates
Influence of Extrinsic Risk Factors on National Football League Injury Rates Open
Background: The risk of injury associated with American football is significant, with recent reports indicating that football has one of the highest rates of all-cause injury, including concussion, of all major sports. There are limited st…
View article: Descriptive Epidemiology of Musculoskeletal Injuries and Concussions in the National Football League, 2012-2014
Descriptive Epidemiology of Musculoskeletal Injuries and Concussions in the National Football League, 2012-2014 Open
Background: The risk of all-cause injury and concussion associated with football is significant. The National Football League (NFL) has implemented changes to increase player safety warranting investigation into the incidence and patterns …