Focuses on a single rule of grammar to produce evidence of a memory system for language acquisition and processing that is modular; independent of real-world meaning; unaffected by frequency and similarity; sensitive to formal distinctions; more sophisticated than the explicitly-taught rules it subsumes; developed independently of ambient input;…

Discusses the phonetic module that increases the rate of information flow, establishes the parity between sender and receiver, and provides for the natural development of phonetic structures in the individual. Cites evidence and function of this specialization and architectural relations between the two classes of modules. (Author/RT)