Course description: Teaching Block 1 includes: First language acquisition, Human language and animal communication, Theories of first language acquisition, Development of lexicon and grammar in L1 acquisition, Input and interaction in L1 acquisition, Acquisition of sign language, Bilingual first language acquisition and Practical approaches to L1 acquisition (‘work with L1 acquisition’). Teaching Block 2 consists of Second language acquisition, Approaches to L2 acquisition, The ‘critical period’ hypothesis, Development of lexicon and grammar in L2 acquisition, Input and interaction in L2 acquisition, Other factors affecting L2 acquisition, Teaching methodologies, and Practical approaches to L2 acquisition (language learning).