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