Review Bivalent BAM theorem. Every matrix is bidirectionally stable for synchronous or asynchronous state changes. Synchronous:update an entire field of neurons at a time. ● Simple asynchronous:only one neuron makes a state- change decision. Subset asynchronous:one subset of neurons per field makes state-change decisions at a time.Bivalent BAM theorem. Every matrix is bidirectionally stable for synchronous or asynchronous state changes. • Synchronous:update an entire field of neurons at a time. • Simple asynchronous:only one neuron makes a state￾change decision. • Subset asynchronous:one subset of neurons per field makes state-change decisions at a time. Review