Chapter 3, Slide G - Communication Disorders: General Information


2. Etiology-causes


a. Organic: identifiable physical cause, such as cleft palate, cerebral palsy, etc.

b. Functional: no identifiable physical cause. May be due to imitation of a role model, or just faulty learning.

3. Age: prognostic implications of age, younger is better.


a. Child

  1. Preschool (infant, toddler, preschooler)
  2. Elementary (lower-grades 1-3, middle-grades 4-6, upper-grades 7-8)

3) Adolescent (high school)


b. Adult

  1. Young adult (18-30)
  2. Adult (31-55)
  3. Geriatric (young-old: 55-64, middle-old: 65-74, old-old: 75+