Synaptic control of motoneuronal excitability

JC Rekling, GD Funk, DA Bayliss… - Physiological …, 2000 - journals.physiology.org
Movement, the fundamental component of behavior and the principal extrinsic action of the
brain, is produced when skeletal muscles contract and relax in response to patterns of action …

Persistent neural activity: prevalence and mechanisms

G Major, D Tank - Current opinion in neurobiology, 2004 - Elsevier
Persistent neural activity refers to a sustained change in action potential discharge that long
outlasts a stimulus. It is found in a diverse set of brain regions and organisms and several in …

Persistent sodium and calcium currents cause plateau potentials in motoneurons of chronic spinal rats

Y Li, DJ Bennett - Journal of neurophysiology, 2003 - journals.physiology.org
After chronic spinal cord injury motoneurons exhibit large plateau potentials (sustained
depolarizations triggered by brief inputs) that play a primary role in the development of …

Input-output functions of mammalian motoneurons

RK Powers, MD Binder - Reviews of physiology, biochemistry and …, 2007 - Springer
Communication between neurons can occur chemically via synaptic transmission. This
communication process begins when an invading depolarization opens voltage-gated …

Hyperexcitable dendrites in motoneurons and their neuromodulatory control during motor behavior

CJ Heckman, RH Lee, RM Brownstone - Trends in neurosciences, 2003 - cell.com
Dendrites contain voltage-sensitive conductances that, in vivo, can be influenced by
neuromodulatory inputs. In spinal motoneurons, dendrites have voltage-activated persistent …

In vivo intracellular recording and perturbation of persistent activity in a neural integrator

E Aksay, G Gamkrelidze, HS Seung, R Baker… - Nature …, 2001 - nature.com
To investigate the mechanisms of persistent neural activity, we obtained in vivo intracellular
recordings from neurons in an oculomotor neural integrator of the goldfish during …

Temporal integration by calcium dynamics in a model neuron

Y Loewenstein, H Sompolinsky - Nature neuroscience, 2003 - nature.com
The calculation and memory of position variables by temporal integration of velocity signals
is essential for posture, the vestibulo-ocular reflex (VOR) and navigation. Integrator neurons …

5-HT2 Receptors Promote Plateau Potentials in Turtle Spinal Motoneurons by Facilitating an L-Type Calcium Current

JF Perrier, J Hounsgaard - Journal of neurophysiology, 2003 - journals.physiology.org
The effects of serotonin (5-HT) on intrinsic properties of spinal motoneurons were
investigated with intracellular recordings in a slice preparation from adult turtles. In 55% of …

Voltage-sensitive ion channels in rhythmic motor systems

RM Harris-Warrick - Current opinion in neurobiology, 2002 - Elsevier
Voltage-sensitive ionic currents shape both the firing properties of neurons and their
synaptic integration within neural networks that drive rhythmic motor patterns. Persistent …

Alpha, beta and gamma motoneurons: functional diversity in the motor system's final pathway

M Manuel, D Zytnicki - Journal of integrative neuroscience, 2011 - World Scientific
Since their discovery in the late 19th century our conception of motoneurons has steadily
evolved. Motoneurons share the same general function: they drive the contraction of muscle …