Neural recordings could be detected on {TAIL ~ each recording site} in sequence as the electrodes were lowered into {HEAD ~ the brain} 
Neural recordings could be detected on { TAIL ~ each recording site } in sequence as the electrodes were lowered into { HEAD ~ the brain }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD