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"&lt;p&gt;&lt;/p&gt;&lt;p&gt;Flashes of light blink across Dynavision\u2019s screen. Athletes must react immediately to see, process and then respond to those lights. It may prove a simple concept, but that\u2019s how you train the brain, Phil Jones, former CFL player and Dynavision founder, tells SI.com.\r\n\r\n&lt;/p&gt;&lt;p&gt;It can also be how you see if a brain has recovered from a concussion.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;strong&gt;What does this do?&lt;/strong&gt;\r\n\r\n&lt;/p&gt;&lt;p&gt;As athletes\u2014in its most basic setup\u2014hit has many lights in one minute as possible, often with a varying degree of circumstances thrown at them\u2014the machine tracks their reaction time in a score.\r\n\r\n&lt;/p&gt;&lt;p&gt;Jones says that as information flashes into the central focus area\u2014athletes must read text or numbers, even plays, in the middle of the screen\u2014the outer rings of light \u201Ccause them to react and make very precise decisions.\u201D\r\n\r\n&lt;/p&gt;&lt;p&gt;Jones calls it high-performance reaction training.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;\u200B&lt;strong &gt;How about concussions?&lt;/strong&gt;\r\n\r\n&lt;/p&gt;&lt;p&gt;Will Shields, former Kansas City Chief and now owner of 68\u2019s Inside Sports training facility, tells SI.com he brought in Dynavision originally to work on athlete\u2019s hand-eye coordination and vision awareness, but it has built into a concussion-related tool.\r\n\r\n&lt;/p&gt;&lt;p&gt;\u201CWe can use different tests to see what part of your brain has been concussed and how far along you are,\u201D Shields says.\r\n\r\n&lt;/p&gt;&lt;p&gt;Jones says players training on the device have a baseline score. A concussion can alter that score dramatically. A player hitting around 125 lights per minute would crash, he says, down to 60 or 70 following a concussion. They might even have difficulty looking at the lights.\r\n\r\n&lt;/p&gt;&lt;p&gt;During a partnership with the University of Cincinnati\u2019s football program, the team has seen a reduction from over eight concussions per year, Jones says, to just over one per year during the four years of Dynavision use.\r\n\r\n&lt;/p&gt;&lt;p&gt;\u201CWe are looking at Dynavision as prevention, monitoring, diagnosis and long-term recovery,\u201D Jones says.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;\u200B&lt;strong&gt;Can it train the brain?&lt;/strong&gt;\r\n\r\n&lt;/p&gt;&lt;p&gt;Jones says he started using vision training near the end of his career with the Edmonton Eskimos. \u201CSeven years in, everything is the same,\u201D he says. \u201CYou eat the same, lift the same, everything is the same.\u201D He started vision training and felt his increased awareness, this feeling of \u201Cwalking on my toes\u201D allowed him to see the quarterback and receivers coming into the zone at the same time.\r\n\r\n&lt;/p&gt;&lt;p&gt;\u201CIf you can see the ball coming off the quarterback\u2019s hand, you have a better chance of making a play on the ball,\u201D he says. His interceptions went up and he bought the device he was using from the group of optometrists using it in clinical settings. \u201CThey had no idea about athletics,\u201D he says.\r\n\r\n&lt;/p&gt;&lt;p&gt;As Shields trains young athletes, he throws a mixture of circumstances at them. With Dynavision he can track how well they react, even when bombarded with additional information.\r\n\r\n&lt;/p&gt;&lt;p&gt;Jones says mixing the peripheral visual fields\u2014which stimulate a different part of the brain than the central focal vision\u2014in with the central enable the brain to \u201Chave this effect of awareness.\u201D\r\n\r\n&lt;/p&gt;&lt;p&gt;The device has six basic programs at installation, but as athletes get comfortable using Dynavision, trainers can add in sport-specific protocols. In football, Jones\u2019 team has designed programs specific for receivers, linebackers and lineman.\r\n\r\n&lt;/p&gt;&lt;p&gt;For example, the unit will rise to its highest position for a receiver, right at the decision-making point between reaching or jumping for a ball (or in this case, a light). Lineman may fire out of a stance and then quickly identify one of the 64 light positions and make a quick adjustment to reach it.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;\u200B&lt;strong&gt;Who\u2019s using it?&lt;/strong&gt;\r\n\r\n&lt;/p&gt;&lt;p&gt;When Jones started Dynavision it was basic, with no ability to save scores. Now fully computerized, it tracks scores and graphs results. He can also flash different things in the central area, from math equations to a program\u2019s specific playbook. \u201CIt gives us the ability to have information coming at different speeds and sizes,\u201D he says.\r\n\r\n&lt;/p&gt;&lt;p&gt;While in use in over 1,200 hospitals and clinics around the country and with athletes from football to hockey to clay shooting using the device, Dynavision also exists in IMG\u2019s sports academy, the Mayo Clinic, four NBA teams (Spurs, Pacers, Celtics and Nets), three NFL teams and top NCAA programs, such as Duke and Ohio State.\r\n\r\n&lt;/p&gt;&lt;p&gt;Training the brain to react has taken on new forms with Dynavision. Forms that flash.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;em&gt;Tim Newcomb covers stadiums, design and gear for Sports Illustrated. Follow him on Twitter at @tdnewcomb.&amp;nbsp;&lt;/em&gt;\r\n&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/edge/2015/06/26/tech-talk-dynavisions-reaction-training-concussion-recovery>