{TAIL ~ The motion detection NMR data set} is acquired during the same scan used to acquire {HEAD ~ the image} NMR data set 
{ TAIL ~ The motion detection NMR data set } is acquired during the same scan used to acquire { HEAD ~ the image } NMR data set
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH