Skip to main content
. 2003 Apr 1;23(7):2789–2796. doi: 10.1523/JNEUROSCI.23-07-02789.2003

Fig. 4.

Fig. 4.

Clonidine increased polysynaptic group I excitation in both groups of cats. a, b, EPSPs evoked by stimulation of LGS afferents [6 p 1.8 T] recorded in MG motoneurons (with similar AHPs) in a sham cat (a) and a trained cat (b) before and after clonidine. Here, clonidine reversed IB inhibition (gray trace) to polysynaptic excitation (black trace) both in sham and trained cats.Mn, Motoneuron. c, Overall, the amplitude of polysynaptic EPSPs (313 trials in 143 cells) evoked by stimulation of knee and ankle extensor group I afferents (Quad, Pl, LGS, MG, GS) was increased by clonidine in sham (535.6%; ***p < 0.001) and in trained (307.8%; ***p < 0.001) cats.