Bootstrapping Theory: The bootstrap idiom is derived from the process of pulling your boots on with
only the assistance of the small loop sewn to the top, back portion of a boot Syntactic bootstrapping
describes the process by which children use the syntactic frames. Semantic bootstrapping uses the
bootsrap metaphor to illustrate how children acquire particular linguistic concepts with minimal
outside assistance. Prosodic bootstrapping suggests that infants use their sensitivity to the acoustic
properties of speech to make inferences about units of language including clauses, phrases and
words
Connectionist Theories : Connectionist models of language development attempt
to visually approximate the inner workings of the brain, and they model and
stimulate the mechanisms responsible for language growth in relationship to
input.
Fodor's Modularity Theory: Fodor's modularity theory is a popular cognitive approach
that emphasizes the organization of the cognitive infrastructure of the brain as
comprising a series of highly specified modules