Ch 8

Substance-based approach to phonology
Using phonetics to determine and possibly, model how the emergence of formal systems could be shaped by the perceptuo-motor substance of speech communication.
Both vowel and consonant systems seem to combine dispersion and MUAF principles
Dispersion-focalization theory (DFT)
Two costs determine a sound system
Structural dispersion cost
Local cost
Energy function
MUAF
Based on available controls
Learnability
Speech perception
Auditory theories
Motor theories
The author's view