Language:
the grouping of spoken, written, or gestured symbols used to convey info
Symbolic language
sounds and written symbols represent objects, actions, and ideas
Semantic language
there’s a meaning behind words and word combinations
Generative language
a limited number of symbols can be combined in an infinite number of ways to generate novel messages
Structured language
there are rules that govern how components are put together in a meaningful way
Phonemes
smallest speech units (100 are possible & English has ~40)
Morphemes
smallest unit of meaning
- 50 000 in English
- Root words, prefixes, suffixes
words
combinations of morphemes
phrases
combinations of words
sentences
combinations of phrases
Phonological rules
rules that indicate how phonemes are combined to form words
Morphological rules
rules that indicate how morphemes are combined to form words
Syntax
a system of rules for arranging words into phrases and sentences (different languages have different rules)
grammar
the systematic rules of a language
- specifies how units of a language can be combined in a way that has meaning
- includes phonological, morphological, and syntactical rules
How old are babies when they start to distinguish phonemes specific to their language?
6 months
Language Milestones: 0-4 months
tell difference between phonemes - coo in response
Language Milestones: 4-6 months
babbles consonants
Language Milestones: 6-10 months
Understands some words and simple requests
Language Milestones: 10-12 months
begins to use single words
Language Milestones: 12-18 months
vocabulary of 30-50 words
Language Milestones: 18-24 months
two-word phrases are ordered according to syntactic rules; vocabulary consists of 50-300 words; understands rules
Language Milestones: 24-36 months
vocabulary ~ 1000 words; produces phrases and incomplete sentences
Language Milestones: 36-60 months
vocab grows to more than 10 000 words; produces full sentences; shows mastery of grammatical morphemes and function words; can form questions and negations
Fast mapping
when children map a word onto an underlying concept after only a single exposure