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I suspect DARPA wants brain sensors in every Advanced Combat Helmet. Add some accelerometers and impact sensors and you could start to collect all sorts of interesting data--biomarkers for TBI, perhaps even early predictors of PTSD.

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To take it a step further, once you're equipping soldiers with sensors, you have the ability to build workflows around the data. You'll assign medical teams to people as the damage occurs, and have them standing by when the person returns with all the data necessary to perform whatever treatment is required.

Yes, per the post we're discussing: "Including EEGs in basic military first aid kits would also help with both medical diagnostics and clinical care for deployed soldiers"

However, unlike what the parent comment said, brain waves on the field are not going to be used in the short-term to diagnose PTSD. Potential uses of sensors in the helmet would be:

1. Control of other devices (and this better be wired, or the enemy could really screw with wireless).

2. Feedback/stats about the resource in question, e.g. he just got blown up, is his brain still working?, OR these guys just got hit with nerve gas.

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