A Cognostim, a Portmanteau from the Latin to know and stimulate, is a Synthetic Intelligence that specialises in elenctic teaching, that is in stimulating learning by expanding on concepts such that one or more expanded elements can be refuted, in order to clarify the limits of the original concept. This dialogic or dialectic approach to refining knowledge has been shown to be effective in increasing non-augmented human knowledge retrieval and rhetorical abilities. These were popular with public speaking professions such as lawyers and politicians BFC, but the widespread availability of affordable Neurogenesis Treatments as well as neurodevices such as MemAmps have greatly reduced their usefulness for most people.