Is this yet another idea of yours that you will freely admit you have no evidence for?
Is it so bad?
Anyway you may be interested to read the views o Jablonca About neural system.
, we regard the emergence of the nervous system as a major transition. The evolution of a nervous system not only changed the way that information was transmitted between cells and profoundly altered the nature of the individuals in which it was present, it also led to a new type of hereditysocial and cultural hereditybased on the transmission of behaviourally acquired information.
"The evolution of information in the major transitions". Journal of Theoretical Biology 239 (2): 236—246.