Data are expressed as mean ± SEM and were obtained from 52 pyramidal cells and 30 interneurons. Note that interneurons had higher coefficients of variance (CV) for almost all parameters than did pyramidal cells. **P < 0.01. Vm, resting membrane potential; AHP, afterhyperpolarization; Rin, input resistance; Cm, membrane capacitance.
Article: Differential responses to NMDA receptor activation in rat hippocampal interneurons and pyramidal cells may underlie enhanced pyramidal cell vulnerability.
Full Text (publisher's website) ; Article Metadata ; Article Data (extracted) Avignone E; Frenguelli BG; Irving AJ Eur. J. Neurosci., 2005
Parameters (and units) | Pyramidal cells (n = 52) | Interneurons (n = 30) | ||
---|---|---|---|---|
Mean ± SEM | CV | Mean ± SEM | CV | |
Vm (mV) | −66.4 ± 0.4 | −0.048 | −58.4 ± 1.3** | −0.13 |
Spike | ||||
Threshold (mV) | −52.3 ± 0.7 | −0.096 | −48.0 ± 1.5** | −0.17 |
Amplitude (mV) | 107.4 ± 0.9 | 0.06 | 89.0 ± 1.9** | 0.11 |
AHP (mV) | 5.2 ± 0.4 | 0.62 | 20.5 ± 0.9** | 0.23 |
Max. freq. (Hz) | 18.9 ± 0.7 | 0.26 | 38.6 ± 3.1** | 0.44 |
Rin (MΩ) | 336 ± 12 | 0.26 | 573 ± 54** | 0.50 |
Cm (pF ) | 75.9 ± 1.6 | 0.15 | 49.6 ± 3.4** | 0.36 |