Typical Development Flashcards
Describe the preluctionary period of language development
The period between 0-8 months where communication is unintentional
Four stages of preluctionary period
Reflexive vocalizations, cooing, vocal play, babbling
Reflexive Vocalizations
0-2 month period; sounds reflect automatic responses of the body (e.g., burping, crying, etc.); nasalized vowel like sounds with minimal resonance
Cooing
2-4 month period; sound made in the back of mouth
back vowels and back consonants
Vocal Play
4-6 month period; raspberries, growls, squeaks; begin to CV syllables
Babbling
6+ months; reduplicated babbling- CVCV syllable chains (e.g., mama, dada); variegated babbling- CV chains with variations in C’s & V’s
Describe the Illocutionary period of language development
The period between 9-12 months where communication becomes more intentional
Emergence of speech patterns during illocutionary period
jargon, longer strips of variegated babbling; babbling accompanied by sentence like intonation patters
Expressive language at 12 months
1-3 words
Expressive language at 18 months
3-20 words
Expressive language at 24 months
50-100+ words
Expressive language at 36 moths
50-250+ words; vocabulary rapidly growing at this period
Receptive language at 12 months
Understands “no”, “hot”, own name, recognizes common items
Receptive language at 18 months
Follows simple commands, identifies 1-3 body parts
Receptive language at 24 months
receptive vocabulary of 300+ words
Receptive language at 36 months
Receptive vocabulary of 500-900+ words
Birth-3 receptive milestones
Reacts to loud sounds, smiles to familiar faces, quiets to familiar speakers
Birth-3 expressive milestones
Cries for basic needs, begins to smile at familiar people, begins to make cooing sounds
4-6 months receptive milestones
Recognizes changes in vocal tone, eyes move toward sounds, responds to toys with noise
4-6 months expressive milestones
Babbles and coos during play, sounds for various emotions, begins to laugh
7-12 months receptive milestones
Recognizes and turns to name, comprehension of simple words, plays games, listens to songs
7-12 months expressive milestones
Shows objects by pointing, begins to use gestures, first words emerge around 12 months
1-2 years receptive milestones
Follows simple 1-step directions, understands simple questions, points to objects/pictures named