Skip to main content
. 2011 Mar 28;589(Pt 10):2543–2558. doi: 10.1113/jphysiol.2011.207225

Figure 2. Electrical stimulation of a cervical dorsal root induces population activity at the ventromedial region.

Figure 2

A, CTA image triggered off spontaneous novel motor nerve activity (7 cycles) showing bilateral population activity along the ventromedial surface, in particular in rostral and caudal regions. B, spontaneous nerve activity recorded from cervical (C8) rootlet, and traces showing the ΔF over rostral, and caudal regions at the ventromedial surface (red traces). N: novel motor nerve activity. C, averages of novel motor nerve activity (7 cycles) and ΔF traces from rostral and caudal regions (red traces, corresponding to arrows in A). Note that rostral and caudal regions are synchronized. D, CTA image triggered off left cervical dorsal stimulations (D–C7, 7 stimuli), showing bilateral population activity along the ventromedial surface. Note that the stimulus evoked activity is bilateral, and located in the same ventromedial regions as the spontaneous activity in A. E, dorsal root stimulus-evoked ΔF over rostral, and caudal regions at the ventromedial surface (red traces). F, averages of dorsal root stimulus-evoked ΔF (7 cycles) from rostral and caudal regions (red traces, corresponding to arrows in D).