Copyright © American Speech-Language-Hearing Association From: Autonomic Correlates of Stuttering and Speech Assessed in a Range of Experimental Tasks J Speech Hear Res. 1990;33(4):690-706. doi:10.1044/jshr.3304.690 Legend: Records of autonomic activity for the second trials of the READ and VAL conditions for two stutterers. Panels A and B are the records obtained for READ and VAL tasks for Subject 4. Panels C and D are the records obtained for the same conditions for Subject 8. Traces in each panel are phasic skin conductance (SCR), tonic skin conductance (SCL), pulse volume (PV), and lip/jaw position. Date of download: 11/13/2017 Copyright © American Speech-Language-Hearing Association