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