Yes, the word “represented” is too widely used and abused in neuroscience—to the point where a frog has “fly detector” neurons. Humberto Maturana pushed back against this pervasive idea. Chapter 4 of Terry Winograd’s and Francesco Valera’s Understanding Computers and Cognition has a good overview of common presumptions.

Given that CNS is a 700 million year hack, there will be lots of odd tricks used to generate effective behaviors.