The quality of training of {HEAD ~ the network} is then checked with a second set of {TAIL ~ data} in the recall phase of 102 
The quality of training of { HEAD ~ the network } is then checked with a second set of { TAIL ~ data } in the recall phase of 102
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH