Week 5 language development: exam next week, seminars are cancelled next week (bring pencil, loom at what overlaps in book) Language development occurs universally, and usually progresses through common stages: crying (0-4m), cooing/babbling (4-12m), initial words (12-18m), two-word sentences (18-36m), short sentences (2. 5-5y), adult usage (5y+: also often involves body gestures that appear at an early age. Sentence, phrase, word, morpheme, phoneme (different languages have different phoneme h in french not pronounced) Atypical language development: video 1 203 (s. a. f. Syntactic development: syntax rules of grammar, how words are arranged into sentences, word order can play an important role in the meaning of a sentence, negatives children initially attach words of negation to positive sentences. No drink milk. or drink milk no. evolve to drink no milk. then adult way. Figure 9. 7 once they get a basic grasp, language takes of. Figure 9. 8 younger kids can understand any more words than they can produce, language pre-seeds production.