In their quest for the Great Oz the searchers were advised to keep their eye on the target and to ignore anything else.
Biolingusitics is the studyof the relationship between biology and language. It is what this blog reports on, and I see it as a broad fielod. So I was surprised to find in Science magazine (Nov. 14) is a claim that the subject's "agenda" is a narrow one: "study ... the computational systems inherent in language." [p. 1057] A less jargon-rich definition would say simply that it is the study of how human brains produce language. The paper, by Marc Hauser and Thomas Bever, (available $here$). makes for interesting reading because it shows where riders in biolinguistic's conservative caboose think the train is going, and for the way it clarifies how much our present-day understanding has changed from what it was in the recent past