Table 3.
Spontaneous neuronal discharge characteristics as a function of cell location
| Neuron type/diagnosis |
N | Mean spont DC rate |
SD spont DC rate |
% sig oscil |
Median frequency of sig oscil |
prop burst discharges |
Burst index |
L-stat |
|---|---|---|---|---|---|---|---|---|
| dorsal to PPN | 18 | 35.2 | 17.8 | 44.4 | 15.4 | 0.06 | 3.48 | 5.1 |
| Within PPN | 32 | 23.2 | 15.6 | 18.8 | 80.1 | 0.26 | 16.6 | 7.5 |
| p-value* | <0.01 | NS | <0.001 | <0.001 | <0.001 | |||
| Narrow AP | 50 | 26.1 | 16.7 | 32.0 | 36.6 | 0.21 | 11.1 | 6.9 |
| Wide AP | 6 | 28.4 | 21.2 | 16.7 | 106.5 | 0.26 | 23.3 | 6 |
| p-value* | NS | NS | NS | NS | NS | |||
| PD | 26** | 25.2 | 18.4 | 27.0 | 30.3 | 0.26 | 11.9 | 7.3 |
| PPFG | 24** | 27.1 | 14.8 | 37.5 | 69.8 | 0.16 | 10.2 | 6.4 |
| p-value* | NS | NS | NS | NS | NS |
*
Determined using the Mann-Whitney U test. NS = no significance
**
Only narrow action potential neurons included.