Psyc112 Test Flashcards
What is a phoneme?
Smallest Unit of Language
Single Unit of Sound that changes meaning
About 40 in English
Not all languages have the same phoneme
What is a morpheme?
Second smallest Unit of Language (The-Umpire)
Smallest unit that carries meaning
Words, Suffixes, Prefixes
2 types: content, function (often are unbound, cannot stand alone e.g. -s has no meaning)
Syntax vs Semantic
Syntax = processing function words
Semantic = processing content words
Broca’s Aphasia
No issue in understanding speech as cognition/comphrension is intact, though motor skills are impaired.
Wernicke’s Aphasia
Able to produce language physically as motor skills are intact, but cognition suffered, makes no sense, does not have function words
Surface Structure
Organization of words at a surface level
Deep Structure
Meaning of sentence
Few days old babies are able to:
Prefer human speech to non-speech, but cannot differentiate human sounds over animal sounds (around 3 months)
HAS Explained:
High Amplitude Sucking, babies suck harder when hearing a new sound
When does perception of sound become categorical
First 9 months
How is detection of phonemic changed?
Modified by experience
Cooing happens at:
2 months
Reduplicated Babbling happens at:
6-7 months
Variegated Babbling happens at:
11-12 months
At 10 months adults are able to:
Tell which language baby is learning
Why do infants make different sounds:
Smaller mouth -> vocal tract
Development of motor cortex
Word comprehension (receptive vocabulary) precedes productive vocabulary by:
4 months
Initial acquisition rate for comprehension is:
Twice that of production
Vocabulary Burst happens after
50 first words are learned
Underextension meaning
Dog -> only for family dog but not other dogs
Overextension
Dog -> refer to all dogs and cats
When are words overextended?
1-25 = 45%
26-50 = 35%
51 -75 = 20%
Protowords defined
An early word-like utterance produced by an infant before it has acquired true language
Holophrase
A single word that stands for an entire statement