Conditions and mobility of the mouthpiece.

Respiratory acts and chewing-swallowing functions.

Phonoarticulatory diagocokinesis (articulatory pressure and productionin sound sequences).

Phonetic repertoire.

Syllabic structure.

Phonological simplification processes of the word: Type, frequency, delimitation (normal, delayed, deviant or atypical).

Consistency of errors or sound change

Detection (absence / presence of sound) - Attention to speech -Orientation to sound - Location.

Non-verbal sound perception: Discrimination, identification,figure-ground. Perception of supragmentalcharacteristics (duration, accent).

Perception of distinctive features or segmental characteristics..