part 1 chapter1 what is language? linguistic knowledge linguistic knowledge and performance language grammar? language universals animal“l(fā)anguages” what we know about language summary references for further reading exerciese chapter 2 brain and language the human braing the autonomy of language language and brain development the evolution of language summary references for further reading exerciese part 2 grammatical aspects of language chapter 3 morphologg:the word of language dictionarise content words and functionwords morphemes:the minimal units of meanign rules of word formation sign language morphology word coinage grammatical morphemes …… part 3 the psgchologg of language part 4 language and society GLOSSARY INDEX