The act of estimating {TAIL ~ the cognitive load} 12 on {HEAD ~ the driver} may alternatively include other suitable methods to combine the collected values 
The act of estimating { TAIL ~ the cognitive load } 12 on { HEAD ~ the driver } may alternatively include other suitable methods to combine the collected values
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH