In {HEAD ~ these experiments}, one or more blunt tip ceramic based multi site electrode arrays such as depicted in FIG 1A were implanted slowly into the cortex of {TAIL ~ a test animal} without causing major tissue depression 
In { HEAD ~ these experiments } , one or more blunt tip ceramic based multi site electrode arrays such as depicted in FIG 1A were implanted slowly into the cortex of { TAIL ~ a test animal } without causing major tissue depression
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH