J. B. Nielsen

Publication List Details

Period

2001 - 2007

Number

50

Co-Authors

Single-trial multiwavelet coherence in application to neurophysiological time series (2007)

Halliday, D.M., Conway, B.A., Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single-trial multiwavelet coherence in application to neurophysiological time series (2007)

Halliday, D.M., Conway, B.A., Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single-trial multiwavelet coherence in application to neurophysiological time series (2007)

Halliday, D.M., Conway, B.A., Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single-trial multi-wavelet coherence in application to neurophysiological time series. (2007)

Brittain, J-S., Halliday, D.M., Conway, B.A., Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single-trial multiwavlet coherence in application to neurophysiological time series. (2007)

Brittain, J.S., Halliday, D.M., Conway, B.A.*, Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single-trial multiwavlet coherence in application to neurophysiological time series. (2007)

Brittain, J.S., Halliday, D.M., Conway, B.A., Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single-trial multiwavlet coherence in application to neurophysiological time series. (2007)

Brittain, J.S., Halliday, D.M., Conway, B.A., Nielsen, J.B.

A method of single-trial coherence analysis is presented, through the application of continuous multiwavelets. Multiwavelets allow the construction of spectra and bivariate statistics such as...

Single trial multi-wavelet coherence in locomotion studies (2006)

Brittain, J., Halliday, D.M., Conway, B.A., Nielsen, J.B.

Poster presenting a method for single-trial wavelet coherence, which makes use of the class of generalised Morse wavelets and may be applied in a neurophysiological context.

Organization of common synaptic drive to motoneurones during fictive locomotion in the spinal cat (2005)

Nielsen, J.B., Conway, B.A., Halliday, D.M., Perreault, M.C., Hultborn, H.

The basic locomotor rhythm in the cat is generated by a neuronal network in the spinal cord. The exact organization of this network and its drive to the spinal motoneurones is unknown. The purpose of...

Reduction of common synaptic drive to ankle dorsiflexor motoneurons during walking in patients with spinal cord lesion (2005)

Hansen, N.L., Conway, B.A., Halliday, D.M., Hansen, S., Pyndt, H.S., Biering-Sorensen, F., ...

It is possible to obtain information about the synaptic drive to motoneurons during walking by analyzing motor-unit coupling in the time and frequency domains. The purpose of the present study was to...

Organization of common synaptic drive to motoneurones during fictive locomotion in the spinal cat (2005)

Nielsen, J.B., Conway, B.A., Halliday, D.M., Perreault, M.C., Hultborn, H.

The basic locomotor rhythm in the cat is generated by a neuronal network in the spinal cord. The exact organization of this network and its drive to the spinal motoneurones is unknown. The purpose of...

Reduction of common synaptic drive to ankle dorsiflexor motoneurons during walking in patients with spinal cord lesion (2005)

Hansen, N.L., Conway, B.A., Halliday, D.M., Hansen, S., Pyndt, H.S., Biering-Sorensen, F., ...

It is possible to obtain information about the synaptic drive to motoneurons during walking by analyzing motor-unit coupling in the time and frequency domains. The purpose of the present study was to...

Organization of common synaptic drive to motoneurones during fictive locomotion in the spinal cat (2005)

Nielsen, J.B., Conway, B.A., Halliday, D.M., Perreault, M.C., Hultborn, H.

The basic locomotor rhythm in the cat is generated by a neuronal network in the spinal cord. The exact organization of this network and its drive to the spinal motoneurones is unknown. The purpose of...

Reduction of common synaptic drive to ankle dorsiflexor motoneurons during walking in patients with spinal cord lesion (2005)

Hansen, N.L., Conway, B.A., Halliday, D.M., Hansen, S., Pyndt, H.S., Biering-Sorensen, F., ...

It is possible to obtain information about the synaptic drive to motoneurons during walking by analyzing motor-unit coupling in the time and frequency domains. The purpose of the present study was to...

Organization of common synaptic drive to motoneurones during fictive locomotion in the spinal cat (2005)

Nielsen, J.B., Conway, B.A., Halliday, D.M., Perreault, M.C., Hultborn, H.

The basic locomotor rhythm in the cat is generated by a neuronal network in the spinal cord. The exact organization of this network and its drive to the spinal motoneurones is unknown. The purpose of...

Influence of number needed to treat, costs and outcome on preferences for a preventive drug (2005)

Nexøe, J., Kristiansen, I. S., Gyrd-Hansen, D., Nielsen, J. B.

Background. The number needed to treat (NNT) has been widely recommended for communicating benefits from risk reductions. It has been claimed that NNT is easily understood and that it has intuitive...

Reciprocal inhibition and corticospinal transmission in the arm and leg in patients with autosomal dominant pure spastic paraparesis (ADPSP) (2004)

Crone, C., Petersen, N. T., Nielsen, J. E., Hansen, N. L., Nielsen, J. B.

Summary The pathophysiological mechanisms underlying the development of spasticity are not clear, but the excitability of the disynaptic reciprocal inhibitory pathway is affected in many patients...

Reciprocal inhibition and corticospinal transmission in the arm and leg in patients with autosomal dominant pure spastic paraparesis (ADPSP) (2004)

Crone, C., Petersen, N. T., Nielsen, J. E., Hansen, N. L., Nielsen, J. B.

The pathophysiological mechanisms underlying the development of spasticity are not clear, but the excitability of the disynaptic reciprocal inhibitory pathway is affected in many patients with...

Reciprocal inhibition and corticospinal transmission in the arm and leg in patients with autosomal dominant pure spastic paraparesis (ADPSP) (2004)

Crone, C., Petersen, N. T., Nielsen, J. E., Hansen, N. L., Nielsen, J. B.

Summary The pathophysiological mechanisms underlying the development of spasticity are not clear, but the excitability of the disynaptic reciprocal inhibitory pathway is affected in many patients...

Functional coupling of motor units is modulated during walking in human subjects (2003)

Halliday, D.M., Conway, B.A., Christensen, L.O.D., Hansen, N.L., Petersen, N.P., Nielsen, J.B.

Time- and frequency-domain analysis of the coupling between pairs of electromyograms (EMG) recorded from leg muscles was investigated during walking in healthy human subjects. For two independent...

Appearance of reciprocal facilitation of ankle extensors from ankle flexors in patients with stroke or spinal cord injury (2003)

Crone, C., Johnsen, L. L., Biering-Sørensen, F., Nielsen, J. B.

The purpose of the present study was to investigate the pathophysiological role of reciprocal facilitation between antagonistic motoneuron pools in spasticity. The soleus H‐reflex was...

Modulation of presynaptic inhibition and disynaptic reciprocal Ia inhibition during voluntary movement in spasticity (2001)

Morita, H., Crone, C., Christenhuis, D., Petersen, N. T., Nielsen, J. B.

The aim of the study was to investigate whether impaired control of transmission in spinal inhibitory pathways contributes to the functional disability of patients with spasticity. To this end,...

The Saccharomyces cerevisiae FKS1 (ETG1) gene encodes an integral membrane protein which is a subunit of 1,3-beta-D-glucan synthase.

Douglas, C M, Foor, F, Marrinan, J A, Morin, N, Nielsen, J B, Dahl, A M, ...

In Saccharomyces cerevisiae, mutations in FKS1 confer hypersensitivity to the immunosuppressants FK506 and cyclosporin A, while mutations in ETG1 confer resistance to the cell-wall-active...

Yeast FKBP-13 is a membrane-associated FK506-binding protein encoded by the nonessential gene FKB2.

Nielsen, J B, Foor, F, Siekierka, J J, Hsu, M J, Ramadan, N, Morin, N, ...

The immunosuppressants FK506 and rapamycin prevent T-cell activation and also inhibit the growth of certain strains of the yeast Saccharomyces cerevisiae. It has previously been shown that yeast...

Glyceride-cysteine lipoproteins and secretion by Gram-positive bacteria.

Nielsen, J B, Lampen, J O

The membrane penicillinases of Bacillus licheniformis and Bacillus cereus are lipoproteins with N-terminal glyceride thioether modification identical to that of the Escherichia coli outer membrane...

Differential expression and function of two homologous subunits of yeast 1,3-beta-D-glucan synthase.

Mazur, P, Morin, N, Baginsky, W, El-Sherbeini, M, Clemas, J A, Nielsen, J B, ...

1,3-beta-D-Glucan is a major structural polymer of yeast and fungal cell walls and is synthesized from UDP-glucose by the multisubunit enzyme 1,3-beta-D-glucan synthase. Previous work has shown that...

Lipoprotein nature of Bacillus licheniformis membrane penicillinase.

Nielsen, J B, Caulfield, M P, Lampen, J O

Membrane penicillinase (penicillin amido-beta-lactamhydrolase, EC 3.5.2.6) from Bacillus licheniformis bears a striking resemblance to the major outer membrane lipoprotein of Escherichia coli. It can...

Dermal in vitro penetration of methiocarb, paclobutrazol, and pirimicarb: effect of nonylphenolethoxylate and protective gloves.

Nielsen, J B, Andersen, H R

Dermal exposure has become the major route of human occupational exposure to pesticides. Detergents are used as part of formulated pesticide products and are known to change the barrier properties of...

Secretion by Pseudomonas aeruginosa: fate of a cloned gram-positive lipoprotein deletion mutant.

Nielsen, J B, Mézes, P S, Lampen, J O

In gram-positive organisms, glyceride-cysteine thioether lipoproteins are frequently associated with secretion. They constitute membrane-bound forms retained by the cell but releasable late in growth...

Dose and time relations in Hg(++)-induced tubular necrosis and regeneration.

Nielsen, J B, Andersen, H R, Andersen, O, Starklint, H

Mercuric chloride is a well-known human and animal nephrotoxicant. Previous studies have demonstrated an inverse relationship between dose size and relative whole-body retention of mercury after oral...

Experimental localization of intestinal uptake sites for metals (Cd, Hg, Zn, Se) in vivo in mice.

Andersen, O, Nielsen, J B, Sorensen, J A, Scherrebeck, L

The intestinal uptake process consists of two separable steps: transport over the luminal membrane into epithelial cytoplasm and transport over the basolateral membrane into serosal fluid. A...

Effects of simultaneous low-level dietary supplementation with inorganic and organic selenium on whole-body, blood, and organ levels of toxic metals in mice.

Andersen, O, Nielsen, J B

Classical experiments have demonstrated that Se compounds protect against the toxicity of several toxic metals in acute experiments with simultaneous parenteral administration of high doses of Se and...

The Saccharomyces cerevisiae FKS1 (ETG1) gene encodes an integral membrane protein which is a subunit of 1,3-beta-D-glucan synthase.

Douglas, C M, Foor, F, Marrinan, J A, Morin, N, Nielsen, J B, Dahl, A M, ...

In Saccharomyces cerevisiae, mutations in FKS1 confer hypersensitivity to the immunosuppressants FK506 and cyclosporin A, while mutations in ETG1 confer resistance to the cell-wall-active...

Yeast FKBP-13 is a membrane-associated FK506-binding protein encoded by the nonessential gene FKB2.

Nielsen, J B, Foor, F, Siekierka, J J, Hsu, M J, Ramadan, N, Morin, N, ...

The immunosuppressants FK506 and rapamycin prevent T-cell activation and also inhibit the growth of certain strains of the yeast Saccharomyces cerevisiae. It has previously been shown that yeast...

Secretion by Pseudomonas aeruginosa: fate of a cloned gram-positive lipoprotein deletion mutant.

Nielsen, J B, Mézes, P S, Lampen, J O

In gram-positive organisms, glyceride-cysteine thioether lipoproteins are frequently associated with secretion. They constitute membrane-bound forms retained by the cell but releasable late in growth...

Glyceride-cysteine lipoproteins and secretion by Gram-positive bacteria.

Nielsen, J B, Lampen, J O

The membrane penicillinases of Bacillus licheniformis and Bacillus cereus are lipoproteins with N-terminal glyceride thioether modification identical to that of the Escherichia coli outer membrane...

Differential expression and function of two homologous subunits of yeast 1,3-beta-D-glucan synthase.

Mazur, P, Morin, N, Baginsky, W, El-Sherbeini, M, Clemas, J A, Nielsen, J B, ...

1,3-beta-D-Glucan is a major structural polymer of yeast and fungal cell walls and is synthesized from UDP-glucose by the multisubunit enzyme 1,3-beta-D-glucan synthase. Previous work has shown that...

Lipoprotein nature of Bacillus licheniformis membrane penicillinase.

Nielsen, J B, Caulfield, M P, Lampen, J O

Membrane penicillinase (penicillin amido-beta-lactamhydrolase, EC 3.5.2.6) from Bacillus licheniformis bears a striking resemblance to the major outer membrane lipoprotein of Escherichia coli. It can...

Dermal in vitro penetration of methiocarb, paclobutrazol, and pirimicarb: effect of nonylphenolethoxylate and protective gloves.

Nielsen, J B, Andersen, H R

Dermal exposure has become the major route of human occupational exposure to pesticides. Detergents are used as part of formulated pesticide products and are known to change the barrier properties of...

Dose and time relations in Hg(++)-induced tubular necrosis and regeneration.

Nielsen, J B, Andersen, H R, Andersen, O, Starklint, H

Mercuric chloride is a well-known human and animal nephrotoxicant. Previous studies have demonstrated an inverse relationship between dose size and relative whole-body retention of mercury after oral...

Experimental localization of intestinal uptake sites for metals (Cd, Hg, Zn, Se) in vivo in mice.

Andersen, O, Nielsen, J B, Sorensen, J A, Scherrebeck, L

The intestinal uptake process consists of two separable steps: transport over the luminal membrane into epithelial cytoplasm and transport over the basolateral membrane into serosal fluid. A...

Effects of simultaneous low-level dietary supplementation with inorganic and organic selenium on whole-body, blood, and organ levels of toxic metals in mice.

Andersen, O, Nielsen, J B

Classical experiments have demonstrated that Se compounds protect against the toxicity of several toxic metals in acute experiments with simultaneous parenteral administration of high doses of Se and...

Major role for sensory feedback in soleus EMG activity in the stance phase of walking in man

Sinkjær, T, Andersen, J B, Ladouceur, M, Christensen, L O D, Nielsen, J B

Sensory feedback plays a major role in the regulation of the spinal neural locomotor circuitry in cats. The present study investigated whether sensory feedback also plays an important role during...

Cerebral functional anatomy of voluntary contractions of ankle muscles in man

Johannsen, P, Christensen, L O D, Sinkjær, T, Nielsen, J B

Cerebral activation elicited by right-sided voluntary ankle muscle contraction was investigated by positron emission tomography measurements of regional cerebral blood flow. Two studies with eight...

Modulation of non-monosynaptic excitation from ankle dorsiflexor afferents to quadriceps motoneurones during human walking

Marchand-Pauvert, V, Nielsen, J B

Modulation of non-monosynaptic excitation from ankle dorsiflexors to quadriceps (Q) motoneurones during human treadmill walking was investigated in 25 healthy human subjects. Stimulation of the...

Corticospinal transmission to leg motoneurones in human subjects with deficient glycinergic inhibition

Nielsen, J B, Tijssen, M A J, Hansen, N L, Crone, C, Petersen, N T, Brown, P, ...

Normal coordinated movement requires that the activity of antagonistic motoneurones may be depressed at appropriate times during the movement. Both glycinergic and GABAergic inhibitory mechanisms...

Variable amplification of synaptic input to cat spinal motoneurones by dendritic persistent inward current

Hultborn, H, Denton, M Enríquez, Wienecke, J, Nielsen, J B

Electrophysiological and computational evidence indicate that the excitatory current from the synapses on the somato-dendritic membrane is not large enough to drive the motoneurones to the firing...