HDF 351 Chapter Notes - Chapter 9: Group Extension, Frontal Lobe, Speech Perception
18 Dec 2018
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Auditory preference procedure depending on the direction infants look, they have a choice regarding what they hear. Broca"s area part of the brain in the left frontal lobe that controls fluent speech. Canonical babbling a stage in pre-speech vocalization during which infants produce repetitive sequences of vowels and consonants. Categorical speech perception the propensity to treat similar otherwise discriminable stimuli and to respond differently to another (even physically close) range of stimuli. Child-directed speech - differs from and simplifies normal adult-directed speech; usually higher in pitch, exaggerated in intonation, follows a sing-song rhythm, abbreviated utterances, and repeats. Communicative intent a purpose of language, sharing ideas and intentions. Context-flexible words words whose meanings are understood without environmental clues. Context-restricted words words whose meanings are understood only in specific environments. Cooing the second stage of pre-speech vocalization that involves back vowels and nasals appearing together with velar consonants. Dentals sounds created by placing the tongue against the teeth.
