Search Results - "Hammar, Ingela"

Long-lasting increase in axonal excitability after epidurally applied DC by Jankowska, Elzbieta, Kaczmarek, Dominik, Bolzoni, Francesco, Hammar, Ingela

“…Effects of direct current (DC) on nerve fibers have primarily been investigated during or just after DC application. However, locally applied cathodal DC was…”
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Interactions between spinal interneurons and ventral spinocerebellar tract neurons by Jankowska, Elzbieta, Hammar, Ingela

“…Recent evidence indicates that ventral spinocerebellar tract (VSCT) neurons do not merely receive information provided by spinal interneurons but may also…”
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Excitatory inputs to four types of spinocerebellar tract neurons in the cat and the rat thoraco‐lumbar spinal cord by Shrestha, Sony Shakya, Bannatyne, B. Anne, Jankowska, Elzbieta, Hammar, Ingela, Nilsson, Elin, Maxwell, David J.

“…Key points  •  For co‐ordinated limb movements, the brain needs to be provided with continuous feedback information from the spinal cord. •  We investigated…”
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Bilateral Postsynaptic Actions of Pyramidal Tract and Reticulospinal Neurons on Feline Erector Spinae Motoneurons by Galea, Mary Pauline, Hammar, Ingela, Nilsson, Elin, Jankowska, Elzbieta

“…Trunk muscles are important for postural adjustments associated with voluntary movements but little has been done to analyze mechanisms of supraspinal control…”
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Modulation of sensory input to the spinal cord: Contribution of focal epidural polarization and of GABA released by interneurons and glial cells by Hammar, Ingela, Jankowska, Elzbieta

“…Modulation of input from primary afferent fibres has long been examined at the level of the first relays of these fibres. However, recent studies reveal that…”
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The plasticity of nerve fibers: the prolonged effects of polarization of afferent fibers by Jankowska, Elzbieta, Hammar, Ingela

“…The review surveys various aspects of the plasticity of nerve fibers, in particular the prolonged increase in their excitability evoked by polarization,…”
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Networks of inhibitory and excitatory commissural interneurons mediating crossed reticulospinal actions by Bannatyne, B. Anne, Edgley, Stephen A., Hammar, Ingela, Jankowska, Elzbieta, Maxwell, David J.

“…Axonal projections and neurotransmitters used by commissural interneurons mediating crossed actions of reticulospinal neurons were investigated in adult cats…”
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The actions of monoamines and distribution of noradrenergic and serotoninergic contacts on different subpopulations of commissural interneurons in the cat spinal cord by Hammar, Ingela, Bannatyne, B. Anne, Maxwell, David J., Edgley, Stephen A., Jankowska, Elzbieta

“…Modulatory actions of monoamines were investigated on spinal commissural interneurons which coordinate left–right hindlimb muscle activity through direct…”
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Long‐term modulation of the axonal refractory period by Jankowska, Elzbieta, Kaczmarek, Dominik, Hammar, Ingela

“…The main question addressed in this study was whether the refractoriness of nerve fibres can be modulated by their depolarisation and, if so, whether…”
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Interactions Between Baclofen and DC-induced Plasticity of Afferent Fibers within the Spinal Cord by Bolzoni, Francesco, Esposti, Roberto, Jankowska, Elzbieta, Hammar, Ingela

“…The aims of the study were to compare effects of baclofen, a GABAB receptor agonist commonly used as an antispastic drug, on direct current (DC) evoked…”
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Evidence that some long-lasting effects of direct current in the rat spinal cord are activity-independent by Jankowska, Elzbieta, Kaczmarek, Dominik, Bolzoni, Francesco, Hammar, Ingela

“…The effects of trans‐spinal direct current (DC) stimulation (tsDCS) on specific neuronal populations are difficult to elucidate, as it affects a variety of…”
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Branching points of primary afferent fibres are vital for the modulation of fibre excitability by epidural DC polarization and by GABA in the rat spinal cord by Li, Yaqing, Hari, Krishnapriya, Lucas-Osma, Ana M, Fenrich, Keith K, Bennett, David J, Hammar, Ingela, Jankowska, Elzbieta

“…The aim of the study was to examine whether the sustained increases in the excitability of afferent fibres traversing the dorsal columns evoked by their…”
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Thalamic Activation in a Disc Herniation Model by BRISBY, Helena, HAMMAR, Ingela

“…A novel approach combining a rodent disc herniation model with electrophysiologic recordings of thalamic evoked responses. To assess short-term effects of…”
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Modulatory Effects of α1- , α2-, and β-Receptor Agonists on Feline Spinal Interneurons with Monosynaptic Input from Group I Muscle Afferents by Hammar, Ingela, Jankowska, Elzbieta

“…Previous studies have shown that monoamines may modulate operation of spinal neuronal networks by depressing or facilitating responses of the involved neurons…”
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Differential modulation by monoamine membrane receptor agonists of reticulospinal input to lamina VIII feline spinal commissural interneurons by Hammar, Ingela, Stecina, Katinka, Jankowska, Elzbieta

“…Noradrenaline and serotonin have previously been demonstrated to facilitate the transmission between descending reticulospinal tracts fibres and commissural…”
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Processing information related to centrally initiated locomotor and voluntary movements by feline spinocerebellar neurones by Jankowska, E., Nilsson, E., Hammar, I.

“…Non‐technical summary  For the correct execution of centrally initiated movements, it is vital that the cerebellum receives continuous feedback from the spinal…”
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Collateral actions of premotor interneurons on ventral spinocerebellar tract neurons in the cat by Jankowska, E, Krutki, P, Hammar, I

“…Strong evidence that premotor interneurons provide ventral spinocerebellar tract (VSCT) neurons with feedback information on their actions on motoneurons was…”
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Excitatory and inhibitory intermediate zone interneurons in pathways from feline group I and II afferents: differences in axonal projections and input by Bannatyne, B. A., Liu, T. T., Hammar, I., Stecina, K., Jankowska, E., Maxwell, D. J.

“…The aim of the present study was to compare properties of excitatory and inhibitory spinal intermediate zone interneurons in pathways from group I and II…”
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Neuronal Basis of Crossed Actions from the Reticular Formation on Feline Hindlimb Motoneurons by Jankowska, Elzbieta, Hammar, Ingela, Slawinska, Urszula, Maleszak, Katarzyna, Edgley, Stephen A

“…Pathways through which reticulospinal neurons can influence contralateral limb movements were investigated by recording from motoneurons innervating hindlimb…”
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Do spinocerebellar neurones forward information on spinal actions of neurones in the feline red nucleus? by Jankowska, E., Nilsson, E., Hammar, I.

“…Non‐technical summary  Limb movements are initiated and controlled by nerve cells in several brain regions. Of these, neurones in the red nucleus supplement…”
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