phonological development & pediatric speech disorders

Perceptual Window

declining sensitivity to nonnative phonemes around 10-12 months

1. babbling

Precanonical forms- cooing and gooing, vocal play, marginal babbling

2. babbling

Canonical forms- reduplicated babbling, rhythmic

3. babbling

Advanced forms- jargon

phonology

knowledge of sound system of your language- kids may be able to form the sounds but not understand how it affects meaning of the word

articulation

motor ability to produce precise configurations to produce phonemes

SODA

types of speech sound errors (substitution, omission, distortion, addition)

substitutions

one phoneme is substituted for larger, more complex phoneme

omissions

one sound is too hard to make, so they leave it out

distortions

sound is produced wrong, but not as a different phoneme

additions

added sounds- typically vowels