Along the coast of Brittany, a search for our prehistoric ancestors

For just about everyone now on Earth, Neolithic constructions such as these are where it all began, according to some philosophers and psychologists — the birth of modern consciousness. Until the fixed settlements of Neolithic times, the way human brains processed information might naturally have been less analytical, linear, reductive — and, instead, more associative, intuitive, holistic. That’s the educated guess based on archaeological evidence.