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Article: Morphology, intrinsic membrane properties, and rotation-evoked responses of trochlear motoneurons in the turtle.

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Jones MS; Ariel M
J. Neurophysiol., 2008


TABLE 2.

Intrinsic cell properties

All (29) Type-A (13) Type-B (13) P
Rm (MΩ) 74.7 ± 10.5 123.0 ± 11.0 21.8 ± 2.5 **
VREST (mV) −59.4 ± 1.3 −59.3 ± 1.5 −61.4 ± 1.9 >0.05
Spike amplitude (mV) 83.6 ± 2.6 83.6 ± 4.1 84.2 ± 4.1 >0.05
Spike width (ms) 0.86 ± 0.04 0.99 ± 0.05 0.74 ± 0.03 **
Primary f/I (Hz/nA) 48.2 ± 7.0 63.3 ± 8.5 17.0 ± 3.1 **
Spike adaptation (%) −4.8 ± 9.5 +17.9 ± 8.9 −52.4 ± 13.0 **
VAHP (mV) −66.2 ± 0.8 −68.4 ± 1.0 −65.3 ± 1.3 >0.05
AmplitudeAHP (mV) 5.6 ± 0.9 8.7 ± 1.3 2.7 ± 0.6 **
DurationAHP (ms) 28.6 ± 1.7 32.4 ± 3.2 25.1 ± 1.2 *
  • Significant differences between type-A and type-B cells are indicated in the right-most column

  • * P < 0.05;

  • ** P < 0.001).

  • Parentheses enclose number of cells. The last three rows refer to features of the slow afterhyperpolarization (AHP) defined in Fig. 5. These were measured in 11 type-A cells, 11 type-B cells, and 3 unclassified cells. Values are means±SD.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Trochlear nucleus motoneurons input resistance (MΩ) 74.7 ± 10.5 (29) 74.7 (MΩ) Data Table
Trochlear nucleus motoneurons resting membrane potential (mV) -59.4 ± 1.3 (29) -59.4 (mV) Data Table
Trochlear nucleus motoneurons spike amplitude (mV) 83.6 ± 2.6 (29) 83.6 (mV) Data Table
Trochlear nucleus motoneurons spike half-width (ms) 0.86 ± 0.04 (29) 0.86 (ms) Data Table
Trochlear nucleus motoneurons FI slope (Hz/nA) 48.2 ± 7.0 (29) 48.2 (Hz/nA) Data Table
Trochlear nucleus motoneurons adaptation ratio (other) -4.8 ± 9.5 (29) -4.8 (None) Data Table
Trochlear nucleus motoneurons AHP voltage (mV) -66.2 ± 0.8 (29) -66.2 (mV) Data Table
Trochlear nucleus motoneurons AHP amplitude from resting (mV) 5.6 ± 0.9 (29) 5.6 (mV) Data Table
Trochlear nucleus motoneurons AHP duration (ms) 28.6 ± 1.7 (29) 28.6 (ms) Data Table