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Abstract #1280

Motion detection using reflected signals from an eight channel parallel transmit head coil at 7T

Hans Hoogduin1, Mark Gosselink1, Giel Mens1, Wim Prins2, Tijl van der Velden1, and Dennis Klomp1
1UMCU, Utrecht, Netherlands, 2Philips, Best, Netherlands

Directional couplers are used to measure reflected waves from an eight channel PTx coil to detect head motion at 7T. The method doesn't require any changes to pulse sequences and has no time penalty. A general linear model is used to predict head motion from the signals measured at the couplers.

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