The hidden layer 16 includes {TAIL ~ nodes} 20 in which the output of the node is fed back to {HEAD ~ that node} as an input with a unit delay produced by a delay device 24 occurring in the feedback path 22  
The hidden layer 16 includes { TAIL ~ nodes } 20 in which the output of the node is fed back to { HEAD ~ that node } as an input with a unit delay produced by a delay device 24 occurring in the feedback path 22
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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