Impaired comprehension of the sound system of a language and the rules that govern these sound combinations.
A phonological disorder consists of rule-based errors that affect more than one sound.
(Bauman-Waengler, 2020)
Phonological processes are the way in which children simplify their speech to imitate the adult form. Some common processes include substitutions, assimilations, and syllable reductions.
Some common phonological processes:
Substitution:
Backing
Fronting
Gliding
Stopping
Vowelization
Affrication
Assimilation:
Assimilation
Denasalization
Final consonant deletion
Prevocalic voicing
Syllable Structure:
Cluster Reduction
Final consonant deletion
Weak syllable deletion
(Hanks, 2024)