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Article: Physiological and morphological development of the rat cerebellar Purkinje cell.

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McKay BE; Turner RW
J. Physiol. (Lond.), 2005


Table 1. Boltzmann fit parameters for morphological and physiological variables vs. age

Variable P1/2 k 20–80% maturation (P)
All fits were R > 0.95, P < 0.01. *Boltzmann fit to mouse data from Fig. 3a of Womack & Khodakhah (2002a). P is the postnatal age; k is the Boltzmann function slope factor.
Morphology
 Soma
   Length of short axis 6.4 3.4 1.7–11.2
   Length of long axis 8.0 2.0 5.3–10.7
   Surface area 7.8 2.4 4.5–11.1
   Mean 7.4 2.6 3.8–11.0
 Dendrite
   Maximum width 11.7 2.5 8.3–15.1
   Maximum height 18.8 7.0 9.1–28.4
   Surface area 14.1 1.7 11.7–16.5
   Total molecular layer area 22.4 4.0 16.9–28.0
   Mean 16.8 3.8 11.5–22.0
Physiology
 Na+-spike output
   Rheobase current 15.4 3.5 10.6–20.2
   Minimum Na+ spike Hz 15.3 0.9 14.1–16.6
   Threshold voltage 12.5 2.6 8.9–16.2
   Maximum rise rate 12.5 1.5 10.5–14.5
   Na+-spike amplitude 14.1 1.0 12.7–15.4
   Maximum repolarization rate 13.7 2.3 10.5–16.9
   AHP area 11.9 0.9 10.6–13.3
   Tonic Na+ spike Hz 15.7 1.6 13.5–17.9
   Mean 13.9 1.8 11.4–16.4
 Ca2+–Na+ burst output
   Burst threshold (current) 16.4 1.3 14.5–18.2
   Na+ spikes per burst 15.7 0.6 14.8–16.5
   Intraburst frequency (Hz) 16.3 1.5 14.2–18.3
   Proportion of trimodal cells 17.4 2.5 13.9–20.9
   Mean 16.5 1.5 14.4–18.5
   Proportion of trimodal cells* 13.4 1.6 11.2–15.6]

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