1. Language: Why is it important?: https://www.youtube.com/watch?v=eKgPY1adc0A&feature=player_ embedded https://www.youtube.com/watch?v=eKgPY1adc0A&feature=player_ embedded A system of words and rules for combining words to communicate thoughts and feelings https://www.youtube.com/watch?v=s9shPo uRWCs

2. Components of language: Phonemes  Basic, smallest units of sound  Individual sounds that letters make  Most languages have 30-50  English has about 40

3. Components of language: Morphemes  Smallest unit of language with meaning  Can be words, prefixes, suffixes and compound words http://education- portal.com/academy/lesson/what-is- language.html

4. Would you go in the correct door?

5. Grammar  Rules for the combination and use of words  Syntax = combo of words to form phrases & sentences  Semantics = rules that govern the meaning of words & sentences  Proposed by Chomsky in the 1960s:  Surface Structure = the order of words in a sentence  Deep Structure = a representation of underlying meanings in sentences  See handout 8.15

6. Development of Language  Stages of development  Cooing  Babbling  Single word stage  Two-word stage “telegraphic”  Year 3…complex sentences

7. Learning Theory  Conditioning & imitation  Focuses on the role of modeling and rewards

8. Biological Basis Theory  Chomsky’s theory of innate language acquisition  Genetic predisposition to develop language  Eric Lenneberg’s Critical Period Hypothesis  States that there is a sensitive (critical) period for language development when learning a language is easier

9. Language Development  Secret of the Wild Child  Full video  https://www.youtube.com/watch?v=hmdycJQi4QA https://www.youtube.com/watch?v=hmdycJQi4QA  Shorter version  https://www.youtube.com/watch?v=VjZolHCrC8E https://www.youtube.com/watch?v=VjZolHCrC8E