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