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Related Experiment Video

Updated: May 7, 2026

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

Published on: December 8, 2014

Assessing Brain Processing Deficits Using Neuropsychological and Vision-Specific Tests for Concussion.

Brent A Harper^1,2, Rahul Soangra^1,3

¹Department of Physical Therapy, Crean College of Health and Behavioral Sciences, Chapman University, Irvine, CA 92618, USA.

Sports (Basel, Switzerland)

|May 24, 2024

Summary

This summary is machine-generated.

This study found that the Cognitive Efficacy Index significantly predicts verbal memory in athletes. However, vision metrics and age did not reliably identify individuals with a prior concussion history.

Keywords:

neuropsychological tests post-concussion syndrome psychomotor performance vision screening visual motor

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Last Updated: May 7, 2026

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

Published on: December 8, 2014

Vision Training Methods for Sports Concussion Mitigation and Management

Vision Training Methods for Sports Concussion Mitigation and Management

Published on: May 5, 2015

Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials

Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials

Published on: April 27, 2021

Area of Science:

Neuroscience
Sports Medicine
Ophthalmology

Background:

Verbal memory and visual processing involve overlapping brain regions.
Assessing visual function's predictive power for verbal memory is crucial.
Understanding concussion's impact on neurocognition is vital for athlete safety.

Purpose of the Study:

To determine if visual function, specifically Visual Memory and Cognitive Efficacy Index, predicts verbal memory performance.
To investigate if vision metrics (King-Devick, near point of convergence) and age can identify athletes with a history of concussion.

Main Methods:

An observational cohort study included 25 collegiate ice hockey players.
Hierarchical multiple regression analyzed the predictive capacity of visual and cognitive scores on verbal memory.
Binomial logistic regression assessed if vision metrics and age predict concussion history.

Main Results:

The Cognitive Efficacy Index significantly predicted verbal memory scores, explaining an additional 24.4% of variance.
Visual Memory alone explained 41% of the variance in verbal memory.
No individual predictors (age, King-Devick, near point of convergence) significantly identified athletes with a prior concussion history.

Conclusions:

Baseline neurocognitive and vision data may not be comparable for athletes with concussion history over one year.
Young athletes might visually overcompensate after a concussion.
Prospective studies with larger samples are needed to validate objective concussion metrics.