. Author manuscript; available in PMC: 2016 Jan 1.

Published in final edited form as: Clin Linguist Phon. 2014 Aug 25;29(1):27–45. doi: 10.3109/02699206.2014.951901

Table 7.

Mean (and SD) values of F1, F2 frequency (kHz) for /i/ and F1, F2 slope (Hz/ms) for /aɪ/ and /ɔɪ/ for PD and control groups before and after exercises.

			PD		Control
Phoneme	Parameter	Sex	Before	After	Before	After
/i/	F1	M	0.286 (0.025)	0.286 (0.033)	0.282 (0.035)	0.286 (0.038)
		F	0.311 (0.023)	0.303 (0.027)	0.335 (0.047)	0.345 (0.052)
	F2	M	2.086 (0.182)	2.121 (0.164)	2.219 (0.185)	2.223 (0.159)
		F	2.565 (0.133)	2.616 (0.037)	2.599 (0.112)	2.626 (0.132)
/aɪ/	F1 slope		−2.429 (1.246)	−2.393 (1.737)	−4.029 (1.994)	−4.120 (2.774)
	F2 slope		5.768 (2.606)	5.117 (1.423)	7.099 (2.544)	6.920 (1.965)
/ɔɪ/	F1 slope		−1.637 (0.691)	−1.660 (0.866)	−3.038 (1.809)	−2.354 (0.902)
	F2 slope		8.774 (2.768)	8.018 (2.614)	8.878 (2.585)	9.040 (2.271)