What is the normal Diadochokinetic rate for adults?
Average diadochokinetic rates in adults, based on an 1998 study,
(syllables or times per 15 seconds) were 33.6, 33.16, 30.58; 24.21,
15.10, 26.50 and 26.30 for /a:-u:/, /u:-i:/, /i:-a:/, tongue
movement from side to side of lip corner, lan lan lan lan la,
/p-t-k/, and /ph-th-kh/.