After the electrodes were cemented in place, {HEAD ~ the ability} of each recording site to still detect {TAIL ~ the neural responses} to whisker stimulation was confirmed 
to still detect
After the electrodes were cemented in place , { HEAD ~ the ability } of each recording site to still detect { TAIL ~ the neural responses } to whisker stimulation was confirmed
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH