With Some Differences Among Physiological Brain Studies, the Findings Indicate

With some differences among physiological brain studies, the findings indicate that, compared with normally fluent speakers, PWS demonstrate:

A) greater activity in the right hemisphere cortex (gray matter)
B) lower level alpha-type waves in both hemispheres
C) lower level beta-type waves in both hemisphere
D) lower level of both alpha and beta type waves in the right hemisphere