The Rosetta Stone and the Codes of Central Nervous System

The Rosetta Stone, is used as a metaphor about the Central Nervous System functioning. In CNS, messages are simultaneously expressed in a linguistic form, in commands or behaviours, and in neurophysiologic processes and decisions. The meaning and intention of states expressed in a linguistic form engage anticipatory and consummatory references, intentional declarative processes and neurophysiologic decisions. From a systemic viewpoint, the meaning and intention of a concept can be formulated taking into account respectively state transition matrices which, given a certain state and an input specify respectively the next state of a system and its output. The meaning and intention of a concept are specified by a set of decision rules which allow its inclusion in the class of equivalence that specifies the concept in extension.