Properties of synaptic potentialsa | | |
EPSP properties | | |
Maximal amplitude (-55 mV) | 5.9 ± 0.47 mV | 5.6 ± 0.38 mV |
Time-to-peak | 0.98 ± 0.13 msec | 1.0 ± 0.12 msec |
Half-decay time | 4.3 ± 0.29 msec | 4.2 ± 0.27 msec |
Frequency | 36 ± 15 Hz | 54 ± 11 Hz |
IPSP properties | | |
Maximal amplitude (-55 mV) | 4.6 ± 0.47 mV | 5.2 ± 0.42 mV |
Time-to-peak | 2.0 ± 0.36 msec | 2.1 ± 0.38 msec |
Half-decay time | 9.8 ± 1.3 msec | 10.5 ± 4.1 msec |
Frequency | 20 ± 5 Hz | 33 ± 9 Hz |
CF-EPSP properties (averages at -60 mV) | | |
Amplitude | 2.8 ± 0.89 mV | 2.2 ± 0.67 mV |
Time-to-peak | 6.8 ± 0.78 msec | 6.2 ± 1.1 msec |
Half-decay time | 9.9 ± 3.0 msec | 9.2 ± 3.6 msec |
| Normal interneurons (n = 4)
| After conjunctive CF-PF stimulation (n = 4)
|
Responses to manual cutaneous stimulationb | | |
CF receptive field (1 per neuron) | 0.43 ± 0.30 mV (n = 61) | 0.52 ± 0.28 mV (n = 55) |
Other skin areas (2-10 per neuron) | 0.01 ± 0.076 mV (n = 201) | 0.51 ± 0.33 mV (n = 210) |
Pre-stimulus baseline (50 msec)
| 0.38 ± 0.083 mV
| 0.67 ± 0.14 mV
|