2.1 - Dev Speech Sound Disorders

Question 1

What is a Speech Sound Disorder?

Answer 1

Includes
* phonological disorders (linguistic planning)
* articulatory disorders (planning, programming + execution)
* Protracted Phonological Development (delay)

Question 2

What can a phonological disorder affect?

Answer 2

• Phonemic inventory
• ## Phonotactic rules (sequence of sounds; syllable structure; what is acceptable in a language)

Question 3

Causes of articulation disorders

Answer 3

• Anatomy/physiology
• External environment/events

Question 4

Disorders associated with a difficulty in motor planning of speech sounds

Answer 4

Verbal apraxia (aquired)
Childhood Apraxia of Speech (developmental)

Question 5

Disorders associated with a difficulty of motor programming of sounds (force, duration, direction, speed, breadth)

Answer 5

• Parkinson’s
• Ataxia
• Stuttering
• Sigmatism

Question 6

Types of sigmatism

Answer 6

• Frontal (Addental or Interdental)
• Lateral (abnormal)
• Anterior mandibular
• Unilateral mandibular

Question 7

Distinctive Traits Theory

Answer 7

• Acoustic and articulatory properties are the base of phonemes
• Identify common traits that aren’t acquired (e.g. child not voicing consonants)

Question 8

Natural Phonology Theory