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