{HEAD ~ The scaled stimulation} is then used to predict {TAIL ~ the impact} on the BIS measurements 
is used to predict
{ HEAD ~ The scaled stimulation } is then used to predict { TAIL ~ the impact } on the BIS measurements
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH