to reflect {HEAD ~ its dynamics} and a lookup table for {TAIL ~ its impact} on the BIS levels at the steady state 
to reflect { HEAD ~ its dynamics } and a lookup table for { TAIL ~ its impact } on the BIS levels at the steady state
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH