How Brain-like is the Spinal Cord?: Interacting Cell Assemblies in the Nervous System

"Theorizing about brain functions is often considered slightly disreputable and anyhow a waste of time -perhaps even 'philoso- ical'" 1 P. S. CHURCHLAND At present there are no unanimously accepted general concepts of brain operation and function. This is especially the case with regard to so-called "higher" functions such as per­ ception, memory or the coupling between sensory input and motor output. There are a number of different reasons for this. Some may be related to experimental limi...