Each hidden layer includes nodes in which the output of the node is fed back to that node as {HEAD ~ an input} with {TAIL ~ a unit delay} occurring in the feedback path  
with
Each hidden layer includes nodes in which the output of the node is fed back to that node as { HEAD ~ an input } with { TAIL ~ a unit delay } occurring in the feedback path
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH