at least part of human language is considered innate

predisposition to acquire and use language

innate knowledge of of some core charachteristics common to all languages

such as the concepts of 'noun' and 'verb'

describes a period of time in an individuals's life during which a behavior- in this case- language must be acquired

assumed to last from birth to approx. age of puberty

rudimentary and idosyncratic gesture systems developed by the deaf 

limited lexicon with limited grammar

a type of simplified  language 

led to creation of ISN (Idioma de Signos Nicaragense)

-relating to how specifics of language are learned

-claims that children learn to imitate the speech sounds around them & reproducing those sounds

memorizing sounds and sentences

partially true (b/c relation b/w words mostly arbitrary)

errors: 2 yr old saying 'nana' for banana

a 3 yr old saying 'mommy tie shoe' 

a 4 yr old saying 'hitted' or 'goed' 

Over regulation may be an indication of internal grammar structure

 how children or adults are able to produce and comprehend new sentences or filter & process novel utterances

even when adults do attempt to correct a child's grammar the attempts usually fail entirely. 

'No body don't likes me'

children actually invent rules of grammar themselves 

developing rules is innate but the children build grammar on input they recieve from their environment

accounts for non-random mistakes and are expected to occur