PSYCH 3F03 Lecture Notes - Lecture 21: Context-Free Grammar, Soft Palate, Parsing
16 Nov 2016
School
Department
Course
Professor
Document Summary
Ababab is not recursion, it"s just repetition. Non-human primates and human infants have epiglottis and soft palate touching which allows them to eat and drink at same time: non-human primates continuously have this throughout life. Humans have special adaptation for speech: larynx. Benefit of speech had to outweigh costs of individuals who choked to death. Most languages are tone languages (pitch of your voice changes the meaning of words) Seem to be uniquely human: all the things listed in the slides (except maybe parsing) Things to look for: sequential calling, transitional probabilities, higher order hierarchical structure. Occurs in a lot of animal species: chimpanzee pant hoots, titi monkey sequences, gibbons, guennons, campbells monkey: order of hoots matters. Fixed number of utterances create an infinite number of sentences. If you say one thing then the other thing always has to follow it (fixed rule) Is finite state if it does not contain centre-embedded structure.
