Table 1.
Descriptive statistics of the NM population
| Variable | Mean ± SE | Range | N |
|---|---|---|---|
| Number of spontaneous spikes | 43,700 ± 1100 | [10,558, 140,141] | 32 |
| Spontaneous rate (1/mean ISI) | 151 ± 2 spikes/s | [94, 275] spikes/s | 32 |
| Amplitude of spontaneous spikes | 13.4 ± 0.3 μV | [0.7, 28.4] μV | 32 |
| SNR of spontaneous spikes | 13.86 ± 0.07 dB | [8.91, 18.24] dB | 32 |
| BF | 5580 ± 60 Hz | [1250, 7750] Hz | 32 |
| Prepotential amplitude | 2.20 ± 0.07 μV | [0.11, 4.96] μV | 19 |
| Prepotential amplitude, % of spike | 13.1 ± 0.3% | [5.4, 21.2]% | 19 |
| Prepotential SD % of spike SD | 107.6 ± 1.2% | [82.5, 174.9]% | 19 |
| Prepotential delay wrt. spike | 509 ± 6 μs | [340, 820] μs | 19 |
| Mode of ISI distribution | 900 ± 30 μs | [400, 2100] μs | 19 |
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Abbreviations: SNR: signal-to-noise ratio. ISI: inter-spike interval. BF: best frequency.
