Definition
The Olmec were an ancient civilization that flourished in the tropical lowlands of south-central Mexico from about 1400 to 400 BCE. They are considered the "mother culture" of Mesoamerica because they influenced later civilizations like the Maya and the Aztec. The Olmec are famous for their colossal stone heads, massive sculptures of human heads carved from basalt boulders. They also developed a writing system and a complex religious system. They laid the foundation for many cultural and religious practices in Mesoamerica.