Language: an endpoint of Infancy

1. infant-directed speech (baby talk) gets babies attention and helps promote early language

2. theoretical prospectives of speech

2.1. Skinner

2.1.1. operant conditioning perspective

2.1.1.1. language is reinforced

2.2. Chomsky

2.2.1. We are all biologically programed to learn language

2.3. Social-interactionist perspective

2.3.1. emphasizes that babies and adults have a passion to communicate

3. Different stages of speech

3.1. cooing

3.2. babbling

3.3. holophrases (one-word phase)

3.4. telegraphic speech