There are essentially four types of non-verbal communication: touching, moving, gazing (these are the truly "non-verbal modalities"), and para-linguistic aspects of vocalizing. These types of non-verbal communication are measured in five different dimensions: (1) frequency, (2) duration, (3) magnitude, (4) rates-frequency per time, (5)…

Work with a mute, autistic, severely handicapped girl over five years (ages 7-11) is analyzed using developmental pragmatics. While she often used interactive acts leading to environmental consequences, she was almost never observed using any that led to a social consequence. She learned to point and gesture but not voluntarily. (Author/VW)