Since a patients BIS {HEAD ~ sensitivity} to {TAIL ~ stimulation} depends on hypnosis state, a scaling factor α is introduced 
to
Since a patients BIS { HEAD ~ sensitivity } to { TAIL ~ stimulation } depends on hypnosis state , a scaling factor α is introduced
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH