Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Brent Fedirchuk"'
Publikováno v:
Journal of neurophysiology. 120(4)
Cat lumbar motoneurons display changes in membrane properties during fictive locomotion. These changes include reduction of input resistance and afterhyperpolarization, hyperpolarization of voltage threshold, and voltage-dependent excitation of the m
Publikováno v:
The Journal of Physiology. 591:5433-5443
The main objective of this review is to re-examine the type of information transmitted by the dorsal and ventral spinocerebellar tracts (DSCT and VSCT respectively) during rhythmic motor actions such as locomotion. Based on experiments in the 1960s a
Publikováno v:
Experimental Brain Research. 217:311-322
Previous work has shown that motoneurone excitability is enhanced by a hyperpolarization of the membrane potential at which an action potential is initiated (V(th)) at the onset, and throughout brainstem-evoked fictive locomotion in the adult decereb
Publikováno v:
The Journal of Physiology. 588:2839-2857
This is the first study to report on the increase in motoneurone excitability during fictive scratch in adult decerebrate cats. Intracellular recordings from antidromically identified motoneurones revealed a decrease in the voltage threshold for spik
Publikováno v:
Journal of Neurophysiology. 101:112-128
Neuronal excitability can be regulated through modulation of voltage threshold ( Vth). Previous studies suggested that this modulation could be mediated by modulation of transient sodium currents ( IT) and/or persistent inward current (PIC). Modulati
Autor:
Brent Fedirchuk, Jonathan Gilmore
Publikováno v:
The Journal of Physiology. 558:213-224
Previous work has shown there is an increase in motoneurone excitability produced by hyperpolarization of the threshold potential at which an action potential is elicited (Vth) at the onset, and throughout brainstem-induced fictive locomotion in the
Autor:
Brent Fedirchuk, Yue Dai
Publikováno v:
The Journal of Physiology. 557:355-361
During fictive locomotion in the adult decerebrate cat, motoneurone excitability is increased by a hyperpolarization of the threshold potential at which an action potential is elicited (Vth). This lowering of Vth occurs at the onset of fictive locomo
Publikováno v:
Journal of Neurophysiology. 83:3537-3547
The objective of the present study was to determine the location of the cholinergic neurons activated in the spinal cord of decerebrate cats during fictive locomotion. Locomotion was induced by stimulation of the mesencephalic locomotor region (MLR).
Publikováno v:
Neurocomputing. :105-111
A single-cell neuronal model was used to investigate the effect of membrane trajectory on voltage threshold (Vth) for action potential generation. Previous results suggested that hyperpolarization of Vth could be produced by a rapid membrane depolari
Publikováno v:
University of Copenhagen
The existence of a spinal network capable of generating rhythmic alternating activity resembling locomotion still has not been firmly established in primates, including man, although evidence for one is accumulating. The present study investigated wh