Lecture 8 - Semantics Flashcards
meanings of words
words refer to things in the outside world
but those aren’t their meanings
words are an agreement by speakers of a language to use that word that idea (unicorn)
not that words necessarily refer to physical things in the world, but to ideas
What is semantics?
meaning!
words are arbitrary
usually no dependence between the sound of the word and the meaning
- onomatopoeia (buzz)
signed languages can take adv of iconic hues
word referent relationship is symbolic
word stands for the object its referring to
the word “stands for” for object
debate sine Ancient Greece about whether word referent relationship is
non-arbitrary
Children’s concepts and semantic features
how do they figure out what makes a dog? and correctly recognize new dogs?
barks, has fur, four legs, pants, etc…
certain features count more than others (barks instead of meows), example having fur or four legs isn’t as important
prototypical concepts
you probably learn the prototypical concepts first, then extend to weirder stuff (robin vs. penguin)
subtypes of prototype theories:
- essential (necessary and sufficient) features that define categories: redness (does it have the necessary wavelenght), shapes (does it have 3 sides? it’s a triangle)
- or there aren’t n&s features, just more likely ones
connecting words and concepts
kids have some concepts already before they start learning the words for them
still, a lot of concepts a word could apply to!
- Quine’s problem (the “gavagai” problem)
there are a lot of concepts that in any give situation that a word could apply to
gavagain problem
a rabbit hops across the road: “gavagai!”
it could be a proper name, it could be dinner, danger, road,
possibilities not limited by the pointing and exclamation
child word learner has this same issue
Joint attention
shared attention toward a region of physical space
by jointly paying attention to the same thing, that how kids learn the words for things
“look at the coffee!”
association learning
DEBATE
word and object predict each other: non-specific to language mechanism
hearing a word predicts the presence of the object, and seeing the object predicts the presence of the word
cross-situational word learning: maybe the way kids learn the word ball, maybe they’re keeping track of across situations of the occurrence of this word in different situations: probability that a word is a word is higher when you can compare instances across situations (eye tracing of 12 months old - trained them to learn new words)
- results of the experiment: they are able to use association to begin to learn what words go with what objects