What you want to know is determined by which stone age you're asking about. What you call the "Stone Age" actually has no set dates or timelines overall. read more
So, yes, humans have evolved in terms of innate behaviors from the very earliest of the stone ages. If we are talking about the Neolithic, or even the Mesolithic, then no. The time between then and now is too short for any major evolution to have occurred, especially in innate behavior. read more