The node performs a transfer function operation based on the inputs from {HEAD ~ the previous layer} and {TAIL ~ the delayed outputs} 
The node performs a transfer function operation based on the inputs from { HEAD ~ the previous layer } and { TAIL ~ the delayed outputs }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL