AboutNeuron TypesElectrophysiology PropertiesArticlesFAQsData/APIGet Involved

Article: Synaptic interactions between pyramidal cells and interneurone subtypes during seizure-like activity in the rat hippocampus.

Full Text (publisher's website) ; Article Metadata ; Article Data (extracted)
Fujiwara-Tsukamoto Y; Isomura Y; Kaneda K; Takada M
J. Physiol. (Lond.), 2004


Table 1. 

Electrophysiological characterization of pyramidal cells and FS/non-FS interneurones

Pyramidal (s.p.) Non-FS (s.l.m.) Non-FS (s.r.) Non-FS (s.p.) FS (s.p.) Non-FS (s.o.) FS (s.o.)
A total of 108 recorded interneurones (including 64 morphologically identified interneurones, numbers in parentheses) are classified by discharge rate3 and somatic location (s.l.m., s. lacunosum-moleculare; s.r., s. radiatum; s.p., s. pyramidale; s.o., s. oriens). FS, fast-spiking interneurone (> 100 Hz per 0.5 nA injection); non-FS, non-fast-spiking interneurone (< 100 Hz). 1RMP, resting membrane potential; 2Rinput, input resistance calculated by linear regression from peak voltage changes evoked by negative current injections (50–500 pA). 3Mean discharge rate per 0.5 nA, calculated by linear regression from the numbers of action potentials evoked by positive current injections (50–500 pA for 500 ms). 4Adaptation (accommodation), ratio of mean discharge frequency of the 11th–15th action potentials to that of the 1st–5th action potentials. 5Duration of action potential (AP), measured at half-amplitude. 6Amplitude of after-hyperpolarization (AHP) following single action potential generation. 7Duration of the AHP, measured at half-amplitude. Each value is expressed as the mean ±s.d. In each row, the values in italic style are significantly different from those of pyramidal cells (P < 0.01). *For FS interneurones in s.p. and s.o., the values are significantly different from those of non-FS interneurones in the same layers (P < 0.01).
n 20 21(12) 25(20) 12(5) 5(1) 30(13) 15(13)
RMP1 (mV) −59.9 ± 4.5  −60.0 ± 6.2  −59.7 ± 5.3  −58.6 ± 5.2  −61.4 ± 4.8   −60.5 ± 4.6  −58.3 ± 6.3  
Rinput2 (MΩ)  45.3 ± 24.0  98.3±47.2  102.2±43.8   104.9±20.5   87.6±27.7   83.2±60.5  70.9 ± 39.1 
Discharge rate3 (Hz)  37.2 ± 7.0   61.2±13.8  52.9±12.8  50.5 ± 17.6  136.1±39.8*   60.1±17.2  131.7±18.1* 
Adaptation4 (%)  33.1 ± 13.4  44.9 ± 14.6  53.7±11.8  60.4±17.5  94.8±9.0*   61.6±19.9  91.9±7.9* 
AP width5 (ms)  1.33 ± 0.40  1.26 ± 0.25  1.35 ± 0.41  1.43 ± 0.61  0.84 ± 0.17*  1.11 ± 0.24  0.69±0.13*
AHP6 (mV)   2.3 ± 2.2    8.4±3.9    8.8±3.3   12.4±7.7   13.4±3.6    12.1±7.2   15.9±2.9  
AHP duration7 (ms)   3.7 ± 11.8  37.1±24.5  43.9±25.8  44.0±27.2  26.2±5.4    37.2±31.5  17.1±10.9*

Report miscurated data

Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -59.9 ± 4.5 (20) -59.9 (mV) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron resting membrane potential (mV) -60.0 ± 6.2 (21) -60.0 (mV) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron resting membrane potential (mV) -59.7 ± 5.3 (25) -59.7 (mV) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron resting membrane potential (mV) -58.6 ± 5.2 (12) -58.6 (mV) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron resting membrane potential (mV) -61.4 ± 4.8 (5) -61.4 (mV) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron resting membrane potential (mV) -60.5 ± 4.6 (30) -60.5 (mV) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron resting membrane potential (mV) -58.3 ± 6.3 (15) -58.3 (mV) Data Table
Hippocampus CA1 pyramidal cell input resistance (MΩ) 45.3 ± 24.0 (20) 45.3 (MΩ) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron input resistance (MΩ) 98.3 ± 47.2 (21) 98.3 (MΩ) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron input resistance (MΩ) 102.2 ± 43.8 (25) 102.2 (MΩ) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron input resistance (MΩ) 104.9 ± 20.5 (12) 104.9 (MΩ) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron input resistance (MΩ) 87.6 ± 27.7 (5) 87.6 (MΩ) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron input resistance (MΩ) 83.2 ± 60.5 (30) 83.2 (MΩ) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron input resistance (MΩ) 70.9 ± 39.1 (15) 70.9 (MΩ) Data Table
Hippocampus CA1 pyramidal cell firing frequency (Hz) 37.2 ± 7.0 (20) 37.2 (Hz) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron firing frequency (Hz) 61.2 ± 13.8 (21) 61.2 (Hz) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron firing frequency (Hz) 52.9 ± 12.8 (25) 52.9 (Hz) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron firing frequency (Hz) 50.5 ± 17.6 (12) 50.5 (Hz) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron firing frequency (Hz) 136.1 ± 39.8 (5) 136.1 (Hz) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron firing frequency (Hz) 60.1 ± 17.2 (30) 60.1 (Hz) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron firing frequency (Hz) 131.7 ± 18.1 (15) 131.7 (Hz) Data Table
Hippocampus CA1 pyramidal cell adaptation percent (first/last ISI) 33.1 ± 13.4 (20) 33.1 (ratio) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron adaptation percent (first/last ISI) 44.9 ± 14.6 (21) 44.9 (ratio) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron adaptation percent (first/last ISI) 53.7 ± 11.8 (25) 53.7 (ratio) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron adaptation percent (first/last ISI) 60.4 ± 17.5 (12) 60.4 (ratio) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron adaptation percent (first/last ISI) 94.8 ± 9.0 (5) 94.8 (ratio) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron adaptation percent (first/last ISI) 61.6 ± 19.9 (30) 61.6 (ratio) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron adaptation percent (first/last ISI) 91.9 ± 7.9 (15) 91.9 (ratio) Data Table
Hippocampus CA1 pyramidal cell spike half-width (ms) 1.33 ± 0.4 (20) 1.33 (ms) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron spike half-width (ms) 1.26 ± 0.25 (21) 1.26 (ms) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron spike half-width (ms) 1.35 ± 0.41 (25) 1.35 (ms) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron spike half-width (ms) 1.43 ± 0.61 (12) 1.43 (ms) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron spike half-width (ms) 0.84 ± 0.17 (5) 0.84 (ms) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron spike half-width (ms) 1.11 ± 0.24 (30) 1.11 (ms) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron spike half-width (ms) 0.69 ± 0.13 (15) 0.69 (ms) Data Table
Hippocampus CA1 pyramidal cell AHP amplitude (mV) 2.3 ± 2.2 (20) 2.3 (mV) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron AHP amplitude (mV) 8.4 ± 3.9 (21) 8.4 (mV) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron AHP amplitude (mV) 8.8 ± 3.3 (25) 8.8 (mV) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron AHP amplitude (mV) 12.4 ± 7.7 (12) 12.4 (mV) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron AHP amplitude (mV) 13.4 ± 3.6 (5) 13.4 (mV) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron AHP amplitude (mV) 12.1 ± 7.2 (30) 12.1 (mV) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron AHP amplitude (mV) 15.9 ± 2.9 (15) 15.9 (mV) Data Table
Hippocampus CA1 pyramidal cell AHP duration (ms) 3.7 ± 11.8 (20) 3.7 (ms) Data Table
Other Hippocampus CA1 stratum lacunosum-moleculare non-fast-spiking interneuron AHP duration (ms) 37.1 ± 24.5 (21) 37.1 (ms) Data Table
Other Hippocampus CA1 stratum radiatum non-fast-spiking interneuron AHP duration (ms) 43.9 ± 25.8 (25) 43.9 (ms) Data Table
Other Hippocampus CA1 stratum pyramidale non-fast-spiking interneuron AHP duration (ms) 44.0 ± 27.2 (12) 44.0 (ms) Data Table
Other Hippocampus CA1 stratum pyramidale fast-spiking interneuron AHP duration (ms) 26.2 ± 5.4 (5) 26.2 (ms) Data Table
Other Hippocampus CA1 Stratum Oriens Non-Fast Spiking interneuron AHP duration (ms) 37.2 ± 31.5 (30) 37.2 (ms) Data Table
Other Hippocampus CA1 Stratum Oriens Fast-Spiking interneuron AHP duration (ms) 17.1 ± 10.9 (15) 17.1 (ms) Data Table