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Articulation and Phonology

Articulation and Phonology. Classifying sounds of speech. Classified broadly as consonants and vowels Consonants are further classified according to Placement of articulators Manner of airflow Presence or absence of vocal fold vibration. Placement. Placement Bilabial Alveolar

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Articulation and Phonology

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  1. Articulation and Phonology

  2. Classifying sounds of speech • Classified broadly as consonants and vowels • Consonants are further classified according to • Placement of articulators • Manner of airflow • Presence or absence of vocal fold vibration

  3. Placement • Placement • Bilabial • Alveolar • Palatal • Velar • Labiodental • Interdental

  4. Manner of airflow • Manner • Stop • Fricative • Affricate • Liquid • Glide • Nasal

  5. Vocal fold vibration • Either the vocal folds vibrate, or they don’t and the sound is produced only on air from lungs k – g t – d

  6. Vowel classification • Classified by placement of tongue in the oral cavity • Vowels are resonated through the oral cavity • High – low vowels • Front – back vowels

  7. Vowel chart

  8. Distinctive features • Binary system of analyzing vowels and consonants by their distinct features (characteristics) • Anterior • Continuant • Coronal

  9. Normal speech development • Vegetative vocalizations (birth-2 months) • Coo and goo (2 months) • Babbling (5 months) • Reduplicated babbling (6 months) • Variegated babbling (8 months) • First word (1 year)

  10. Phoneme acquisition • Vowels are mastered before consonants • Consonants are gradually mastered • Acquired in the initial position first • Stops and nasals acquired first • Clusters are mastered late (7-8 years)

  11. Articulation or phonology? • Phonological impairments are disorders of conceptualization. The rules of phonology the child uses are different from the norm • Articulations disorders are disorders of production. They produce the sound the wrong way • Substitute the wrong sound • Omit the sound • Distort the sound • Add an additional sound

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