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    Proven Results Improvement in 77% of Participants

    Published peer-reviewed research shows that Cognitive FX treatment leads to meaningful symptom reduction in post-concussion symptoms for 77% of study participants. Cognitive FX is the only PCS clinic with third-party validated treatment outcomes.

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    Using the Brock String Test to Strengthen Your Eyes

    Image of Cognitive FX Team
    Updated on 24 January, 2019
    Medically Reviewed by

    Dr. Alina Fong

    Using the Brock String Test to Strengthen Your Eyes

     What is the Brock String Test? 

    The Brock String Test is designed to test and treat visual perception problems. This is important because these problems can contribute to headaches, blurry vision, balance problems, and more. Symptoms that can be caused by a concussion. The Brock String Test really looks at two different things: convergence and suppression.

    Convergence is when both eyes are looking forward and an object is moving closer and you have to almost cross your eyes. If you are not converging then one eye remains looking forward instead of meeting with the other eye. If this is one of your problems then you may be seeing double.

    Suppression is when your brain has decided to ignore the signals from one of your eyes that are bring transmitted up to the brain. In this case, you will just see one field of vision, and it may be influencing your balance and your peripheral vision.

    How Can I use the Brock String Test to Help my Eyes? 

    The Brock String Test is an exercise you can do a few minutes a day to help re-train your eyes and help them to work properly with both convergence and suppression. So this test not only helps you understand if your eyes are working properly but it is the exercise that can strengthen them and help them to both converge and work together again for better focus, and less suppression. 

     We use this with many of our patients during EPIC Treatment, and many times it is a take home exercise that we encourage our patients to continue after treatment

    Support after EPIC Treatment


    Employee Feature - Lindsey

    Employee Feature | Lindsey

    Lindsey is our Lead Psychometrist here at Cognitive FX.

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    Setting & Achieving Goals

    Setting & Achieving Goals

    Everyone has their own ideas and opinions about goals and goal setting. One of the things that I notice as I work with individuals during EPIC concussion treatment, is that a lot of time it is not...

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    Employee Feature - Benjamin Wing

    Employee Feature | Benjamin Wing

    Benjamin Wing is our Research Associate Director here at Cognitive FX.

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    NeuroVascular Coupling the Secret to Recovering from a Concussion

    NeuroVascular Coupling the Secret to Recovering from a Concussion

    After decades of research, Cognitive FX, in collaboration with Notus Neuropsychological Imaging, found the secret to understanding and recovering from a concussion: NeuroVascular Coupling (NVC). NVC...

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    Employee Feature - Brittany Prijatel

    Employee Feature | Brittany Prijatel

    Brittany Prijatel is an EPIC Coach here at Cognitive FX.

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    Awareness & Concussion Recovery

    Awareness & Concussion Recovery

    By Britany Prijatel - Cognitive FX Sports Psychology Consultant 

    What is Awareness?

    Awareness is defined as having knowledge, or being in the state or condition of being conscious of your...

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