July 2003, https://youtu.be/yJp1-Od67-U
4:00
the biolinguistic approach to human language
human language is a property of the human organism, mostly of the brain.
human language is a specific biological system,
human language is a component of human biology, on a par with mammalian vision, or insect navigation, or other systems for which the best theories attribute computational capacities of some kind, sometimes informally called “rule following”
NOT language: bee communication, communication among apes, mathematics, music