Perlocutionary period
0-8 months, consists of: reflexive vocalizations, cooing, vocal play, and babbling
Illocutionary period
9-12 months, consists of: emergency of speech patterns, speaker becomes INTENTIONALLY communicative
Average Number of Words @ 12 months
first few words
Average Number of Words @ 18 months
50
Average Number of Words @ 24 months
200-300
Average Number of Words @ 3 years
1, 000
When is situational code switching developed?
4-5 years old
Presbycusis
- high frequency loss due to hair cell damage
Presbyopia
- farsightedness, treatment is typically reading glasses
Presbyphonia
Presbyphagia
White & gray matter changes in typical geriatrics population
- gray matter: volume loss, may begin to decrease after age 20
Receptive vs. Expressive Language
Form-Content-Use
Framework of Language as a whole.
Nature vs. Nurture Theories of Development
Nativist (nature): Chomsky, language is innate and we are born with a language acquisition device (LAD)
Constructionist (nurture): environment is a major role in guiding language, there is no processor in brain specific to language
Cognitive Language Theory (Piaget)
Semantic Theory (Filmore, Bloom)
Behavioral Theory (Skinner)
Social Interactionism
- driven by the desire to communicate and connect
Emergentist Theory
Critical Period Hypothesis (CPH)
Full native competence is possible when acquiring a language. Overall early childhood to adolescence. Critical age is 5-7 years old.
Extralinguistic communication
involves metalinguistics, paralinguistics, and nonlinguistic cues
Components of Speech
Consonant Features
Voice: Activity of vocal cords; can be voiced, voiceless
Place: point of contact where sound is produced; can be labial, labio-dental, linga-dental, alveolar, palatal, velar, glottal
Manner: configuration/interaction between articulators; can be stop, fricative, affricate, nasal, liquid, glide