Table 2.

Response parameters of MC-responsive STN neurons

Control (N = 46)6-OHDA (N = 44)
Average firing rate11.8 ± 9.1p < 0.000220.3 ± 9.3
Burst index, %35.0 ± 16.7p < 0.000154.1 ± 15.6
Early excitation, n/N (%)44/46 (95.7%)39/44 (88.6%)
    Latency (ms)5.5 ± 1.3ns5.9 ± 1.6
    Duration (ms)6.5 ± 2.2p < 0.0015.0 ± 1.8
    Strength (spikes)51.3 ± 32.3p < 0.0236.7 ± 25.6
Short inhibition10/46 (21.7%)5/44 (11.4%)
    Latency10.4 ± 2.3ns11.2 ± 1.3
    Duration9.6 ± 4.1ns8.4 ± 3.6
    Strength14.6 ± 9.8ns8.5 ± 4.8
Late excitation35/46 (76.1%)31/44 (70.5%)
    Latency19.1 ± 3.8p < 0.0516.7 ± 3.2
    Duration14.5 ± 6.8ns11.5 ± 5.1
    Strength124.5 ± 98.9p < 0.0584.4 ± 74.3
Long inhibition35/46 (76.1%)43/44 (97.7%)
    Latency40.1 ± 11.9p < 0.00131.5 ± 7.3
    Duration134.9 ± 57.2p < 0.02174.2 ± 67.6
    Strength104.1 ± 57.6p < 0.0001298.7 ± 168.5
  • Statistics: Mann–Whitney U test. N, Number of neurons; ns, not significant.