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The interpretation of spike potentials of motoneurones

The interpretation of spike potentials of motoneurones I98-23I J. Physiol. (I957) I39, INTERPRETATION OF SPIKE POTENTIALS THE OF MOTONEURONES BY J. S. COOMBS, D. R. CURTIS AND J. C. ECCLES Australian From the Department of Physiology, National University, Canberra (Received 1 July 1957) is a antidromic of When an impulse generated in motoneurone by propagation the motor there is invariably a two-stage invasion, an impulse along axon, there being with intracellular recording an initial 'small-spike' potential of a to a of 80- 30-40 mV, leading on after slight delay 'large-spike' potential & & 100 mV (Brock, Coombs Eccles, 1951, 1952, 1953; Woodbury Patton, 1952; Araki, Otani & Furukawa, 1953; Araki & Otani, 1955; Eccles, 1955, Eccles Frank 1956; Fuortes, 1957; Coombs, & Fatt, 1955; & Fuortes, 1955a, Frank & Becker, 1957; Fatt, 1957 a, b). There has now been almost general agree- with Brock et al. ment the hypothesis originally proposed by (1951, 1952, 1953) that the initial small-spike is produced when the antidromic impulse invades the non-medullated segment of the axon and the axon hillock, which collectively initial is may be termed the segment of the motor axon, while the large-spike produced when the impulse propagates into the soma and dendrites of the this and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Physiology Wiley

The interpretation of spike potentials of motoneurones

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References (30)

Publisher
Wiley
Copyright
© 2014 The Physiological Society
ISSN
0022-3751
eISSN
1469-7793
DOI
10.1113/jphysiol.1957.sp005887
Publisher site
See Article on Publisher Site

Abstract

I98-23I J. Physiol. (I957) I39, INTERPRETATION OF SPIKE POTENTIALS THE OF MOTONEURONES BY J. S. COOMBS, D. R. CURTIS AND J. C. ECCLES Australian From the Department of Physiology, National University, Canberra (Received 1 July 1957) is a antidromic of When an impulse generated in motoneurone by propagation the motor there is invariably a two-stage invasion, an impulse along axon, there being with intracellular recording an initial 'small-spike' potential of a to a of 80- 30-40 mV, leading on after slight delay 'large-spike' potential & & 100 mV (Brock, Coombs Eccles, 1951, 1952, 1953; Woodbury Patton, 1952; Araki, Otani & Furukawa, 1953; Araki & Otani, 1955; Eccles, 1955, Eccles Frank 1956; Fuortes, 1957; Coombs, & Fatt, 1955; & Fuortes, 1955a, Frank & Becker, 1957; Fatt, 1957 a, b). There has now been almost general agree- with Brock et al. ment the hypothesis originally proposed by (1951, 1952, 1953) that the initial small-spike is produced when the antidromic impulse invades the non-medullated segment of the axon and the axon hillock, which collectively initial is may be termed the segment of the motor axon, while the large-spike produced when the impulse propagates into the soma and dendrites of the this and

Journal

The Journal of Physiology – Wiley

Published: Jan 3, 1957

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