Concussions – Page 8 – King-Devick technologies, Inc.

November 24, 2015

Agreement of the Spiral-Bound and Computerized Tablet Versions of the King-Devick Test of Rapid Number Naming for Sports Related Concussion

Sports-related concussions are an increasingly recognized public health problem and may have serious neurologic implications for athletes. The vision-based King-Devick (K-D) test of rapid number naming has become an...

October 15, 2015

Use of the King-Devick Test for Sideline Concussion Screening in Junior Rugby League

Aim: To determine whether the King-Devick (K-D) test used as a sideline test in junior rugby league players over 12 matches in a domestic competition season could identify witnessed...

October 10, 2015

The Concussion Toolbox: The Role of Vision in the Assessment of Concussion

Concussion may lead to subtle changes in brain function, and tests involving the visual system probe higher cortical functioning and increase our sensitivity in detecting these changes. Concussions are...

September 15, 2015

Evaluation of the King-Devick Test as a Concussion Screening Tool in High School Football Players

Objective: Concussion is the most common type of traumatic brain injury, and results from impact or impulsive forces to the head, neck or face. Due to the variability and...

September 10, 2015

The King-Devick test of rapid number naming for concussion detection: meta-analysis and systematic review of the literature

Background: Vision encompasses a large component of the brain’s pathways yet is not represented in current sideline testing. Objectives: We performed a meta-analysis of published data for a vision-based...

September 1, 2015

Adding vision to concussion testing: A prospective study of sideline testing in youth and collegiate athletes

Objective: Sports-related concussion commonly affects the visual pathways. Current sideline protocols test cognition and balance, but do not include assessments of visual performance. We investigated how adding a vision-based...

August 6, 2015

Variability of the modified balance error scoring system at baseline using objective and subjective balance measures

Aim: To investigate preseason modified Balance Error Scoring System (mBESS) performance in a collegiate football cohort; to compare scores to an objective mobile balance measurement tool. Methods: Eighty-two athletes...

July 17, 2015

The King-Devick Test: An indicator of longer-term cognitive effects post-concussion

Background: The King-Devick test (K-D) was introduced in 2011 as a quick, easy and cost-effective way to screen for a concussion. Relying on differences in visual scanning between a...

June 15, 2015

Gender and age predict outcomes of cognitive, balance and vision testing in a multidisciplinary concussion center

Objective: This study examined components of the Sports Concussion Assessment Tool, 3rd Edition (SCAT3) and a vision-based test of rapid number naming (King–Devick [K-D]) to evaluate sports and non-sports...

June 3, 2015

An Analysis of Test-Retest Performance of the King-Devick Test and Comparison to Standard Concussion Tests in Collegiate Football Players

Purpose: The King-Devick Test (KDT) is a measure of saccadic eye motion and reading speed that is widely used as a rapid, sideline assessment of the acute effects of...

April 15, 2015

The King-Devick test was useful in management of concussion in amateur rugby union and rugby league in New Zealand

Aim: To use the King-Devick (K-D) test in senior amateur rugby union and rugby league players over a domestic competition season to see if it could identify witnessed and...

April 10, 2015

The King-Devick test for Sideline Concussion Screening in Collegiate Football

Purpose: Sports-related concussion has received increasing attention as a result of neurologic sequelae seen among athletes, highlighting the need for a validated, rapid screening tool. The King–Devick (K–D) test...

April 3, 2015

Improved Performance on the King-Devick Test When Re-Tested After Collegiate Sport Exposure

Purpose: The King-Devick Test (KDT) is a measure of saccadic eye movement and reading speed that is used as a brief sideline assessment of concussion. The current study evaluates:...

March 1, 2015

Diagnostic tests for concussion: is vision part of the puzzle?

Background: Concussion, particularly in relation to sports and combat activities, is increasingly recognized as a potential cause of both short- and long-term neurologic sequelae. This review will focus on...

February 3, 2015

Oculomotor and Neurocognitive Assessment of Youth Ice Hockey Players: Baseline Associations and Observations After Concussion

Baseline scores on the King-Devick (K-D) Test, Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT), Sport Concussion Assessment Tool 3 (SCAT3), and convergence were evaluated in youth hockey players. Worse...

Research Abstract Category: Concussions