PSYC 101 Lecture Notes - Lecture 19: Baby Talk, Autism Spectrum, Joint Attention
• Children’s word learning mistakes
o Overextension
▪ Kitty for any small animal
o Underextension
▪ dog= only applies to golden retrievers
▪ Not found quickly
o Overregularization
▪ Add ‘ed’ everywhere to make past tense
• eated
▪ Add ‘er’ everywhere for comparison
• I feel worser
▪ Add ‘s everywhere to form possessive
• That’s mine’s
o Sometimes use right and wrong in one sentence
• Amount of child directed speech is important for language
development
• Time of language exposure
o First language
▪ Deaf children not exposed to asl when young never
develop strong language skills
o Second language
▪ Accent/grammar judgement determined by age of arrival
▪ By 11, talk like native speaker
▪ After 16, strong accent
• Gesture
o Blind ppl gesture
o Ppl learn less if can;t see see their gestures
o Children learn more gesturing
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• Autism Spectrum Disorder
o Persistent deficits in social communication and social
interaction
▪ Deficits in eyecontact
▪ Joint attention
▪ social -emoitnal reciprocity
▪ Facial expressions
▪ Not motivated to care
o restrictive , repetitive pattern of behavior/interests/acitivities
• When diagnosed
