Works matching AU Helmchen, Fritjof

Results: 77

Miniaturization of Fluorescence Microscopes Using Fibre Optics.

Published in:

2002

By:

Helmchen, Fritjof

Publication type:

Other

Post hoc immunostaining of GABAergic neuronal subtypes following in vivo two-photon calcium imaging in mouse neocortex.

Published in:

Pflügers Archiv: European Journal of Physiology, 2012, v. 463, n. 2, p. 339, doi. 10.1007/s00424-011-1048-9

By:

Langer, Dominik;
Helmchen, Fritjof

Publication type:

Article

Calcium indicator loading of neurons using single-cell electroporation.

Published in:

Pflügers Archiv: European Journal of Physiology, 2007, v. 454, n. 4, p. 675, doi. 10.1007/s00424-007-0234-2

By:

Nevian, Thomas;
Helmchen, Fritjof

Publication type:

Article

In vivo dendritic calcium dynamics in deep-layer cortical pyramidal neurons.

Published in:

Nature Neuroscience, 1999, v. 2, n. 11, p. 989, doi. 10.1038/14788

By:

Helmchen, Fritjof;
Svoboda, Karel;
Denk, Winfried;
Tank, David W.

Publication type:

Article

Spread of dendritic excitation in layer 2/3 pyramidal neurons in rat barrel cortex in vivo.

Published in:

Nature Neuroscience, 1999, v. 2, n. 1, p. 65, doi. 10.1038/4569

By:

Svoboda, Karel;
Helmchen, Fritjof;
Denk, Winfried;
Tank, David W.

Publication type:

Article

Activity in a Premotor Cortical Nucleus of Zebra Finches Is Locally Organized and Exhibits Auditory Selectivity in Neurons but Not in Glia.

Published in:

PLoS ONE, 2013, v. 8, n. 12, p. 1, doi. 10.1371/journal.pone.0081177

By:

Graber, Michael H.;
Helmchen, Fritjof;
Hahnloser, Richard H. R.

Publication type:

Article

Neuron to Astrocyte Communication via Cannabinoid Receptors Is Necessary for Sustained Epileptiform Activity in Rat Hippocampus.

Published in:

PLoS ONE, 2012, v. 7, n. 5, p. 1, doi. 10.1371/journal.pone.0037320

By:

Coiret, Guyllaume;
Ster, Jeanne;
Grewe, Benjamin;
Wendling, Fabrice;
Helmchen, Fritjof;
Gerber, Urs;
Benquet, Pascal

Publication type:

Article

Selective Regulation of NR2B by Protein Phosphatase-1 for the Control of the NMDA Receptor in Neuroprotection.

Published in:

PLoS ONE, 2012, v. 7, n. 3, p. 1, doi. 10.1371/journal.pone.0034047

By:

Farinelli, Mélissa;
Heitz, Fabrice D.;
Grewe, Benjamin F.;
Tyagarajan, Shiva K.;
Helmchen, Fritjof;
Mansuy, Isabelle M.

Publication type:

Article

Spike Rate Inference from Mouse Spinal Cord Calcium Imaging Data.

Published in:

Journal of Neuroscience, 2025, v. 45, n. 18, p. 1, doi. 10.1523/JNEUROSCI.1187-24.2025

By:

Rupprecht, Peter;
Wei Fan;
Sullivan, Steve J.;
Helmchen, Fritjof;
Sdrulla, Andrei D.

Publication type:

Article

Boosting of Action Potential Backpropagation by Neocortical Network Activity In Vivo.

Published in:

Journal of Neuroscience, 2004, v. 24, n. 49, p. 11127, doi. 10.1523/JNEUROSCI.2933-04.2004

By:

Waters, Jack;
Helmchen, Fritjof

Publication type:

Article

Novel Approaches to Monitor and Manipulate Single Neurons In Vivo.

Published in:

Journal of Neuroscience, 2004, v. 24, n. 42, p. 9223, doi. 10.1523/JNEUROSCI.3344-04.2004

By:

Brecht, Michael;
Fee, Michale S.;
Garaschuk, Olga;
Helmchen, Fritjof;
Osten, Pavel;
Margrie, Troy W.;
Svoboda, Karel

Publication type:

Article

Supralinear Ca<sup>2+</sup> Influx into Dendritic Tuffs of Layer 2/3 Neocortical Pyramidal Neurons In Vitro and In Vivo.

Published in:

Journal of Neuroscience, 2003, v. 23, n. 24, p. 8558, doi. 10.1523/JNEUROSCI.23-24-08558.2003

By:

Waters, Jack;
Larkum, Matthew;
Sakmann, Bert;
Helmchen, Fritjof

Publication type:

Article

Opto‐E‐Dura: A Soft, Stretchable ECoG Array for Multimodal, Multiscale Neuroscience.

Published in:

Advanced Healthcare Materials, 2020, v. 9, n. 17, p. 1, doi. 10.1002/adhm.202000814

By:

Renz, Aline F.;
Lee, Jihyun;
Tybrandt, Klas;
Brzezinski, Maciej;
Lorenzo, Dayra A.;
Cerra Cheraka, Mouna;
Lee, Jaehong;
Helmchen, Fritjof;
Vörös, Janos;
Lewis, Christopher M.

Publication type:

Article

Ossified blood vessels in primary familial brain calcification elicit a neurotoxic astrocyte response.

Published in:

2019

By:

Zarb, Yvette;
Weber-Stadlbauer, Ulrike;
Kirschenbaum, Daniel;
Kindler, Diana Rita;
Richetto, Juliet;
Keller, Daniel;
Rademakers, Rosa;
Dickson, Dennis W;
Pasch, Andreas;
Byzova, Tatiana;
Nahar, Khayrun;
Voigt, Fabian F;
Helmchen, Fritjof;
Boss, Andreas;
Aguzzi, Adriano;
Klohs, Jan;
Keller, Annika

Publication type:

journal article

Functional Imaging of Dentate Granule Cells in the Adult Mouse Hippocampus.

Published in:

Journal of Neuroscience, 2016, v. 38, n. 28, p. 7407, doi. 10.1523/JNEUROSCI.3065-15.2016

By:

Pilz, Gregor-Alexander;
Carta, Stefano;
Stauble, Andreas;
Ayaz, Asll;
Jessberger, Sebastian;
Helmchen, Fritjof

Publication type:

Article

Specific Early and Late Oddball-Evoked Responses in Excitatory and Inhibitory Neurons of Mouse Auditory Cortex.

Published in:

Journal of Neuroscience, 2015, v. 35, n. 36, p. 12560, doi. 10.1523/JNEUROSCI.2240-15.2015

By:

I-Wen Chen;
Helmchen, Fritjof;
Lütcke, Henry

Publication type:

Article

Distinct Functional Properties of Primary and Posteromedial Visual Area of Mouse Neocortex.

Published in:

Journal of Neuroscience, 2012, v. 32, n. 28, p. 9716, doi. 10.1523/JNEUROSCI.0110-12.2012

By:

Roth, Morgane M.;
Helmchen, Fritjof;
Kampa, Björn M.

Publication type:

Article

Pathway-specific reorganization of projection neurons in somatosensory cortex during learning.

Published in:

Nature Neuroscience, 2015, v. 18, n. 8, p. 1101, doi. 10.1038/nn.4046

By:

Chen, Jerry L;
Margolis, David J;
Stankov, Atanas;
Sumanovski, Lazar T;
Schneider, Bernard L;
Helmchen, Fritjof

Publication type:

Article

Tactile frequency discrimination is enhanced by circumventing neocortical adaptation.

Published in:

Nature Neuroscience, 2014, v. 17, n. 11, p. 1567, doi. 10.1038/nn.3821

By:

Musall, Simon;
von der Behrens, Wolfger;
Mayrhofer, Johannes M;
Weber, Bruno;
Helmchen, Fritjof;
Haiss, Florent

Publication type:

Article

Reorganization of cortical population activity imaged throughout long-term sensory deprivation.

Published in:

Nature Neuroscience, 2012, v. 15, n. 11, p. 1539, doi. 10.1038/nn.3240

By:

Margolis, David J;
Lütcke, Henry;
Schulz, Kristina;
Haiss, Florent;
Weber, Bruno;
Kügler, Sebastian;
Hasan, Mazahir T;
Helmchen, Fritjof

Publication type:

Article

A brain-wide functional map of the serotonergic responses to acute stress and fluoxetine.

Published in:

Nature Communications, 2019, v. 10, n. 1, p. 1, doi. 10.1038/s41467-018-08256-w

By:

Grandjean, Joanes;
Corcoba, Alberto;
Kahn, Martin C.;
Upton, A. Louise;
Deneris, Evan S.;
Seifritz, Erich;
Helmchen, Fritjof;
Mann, Edward O.;
Rudin, Markus;
Saab, Bechara J.

Publication type:

Article

An R-CaMP1.07 reporter mouse for cell-type-specific expression of a sensitive red fluorescent calcium indicator.

Published in:

PLoS ONE, 2017, v. 12, n. 6, p. 1, doi. 10.1371/journal.pone.0179460

By:

Bethge, Philipp;
Egolf, Ladan;
Chen, Jerry L.;
Carta, Stefano;
Lorenzo, Dayra A.;
Voigt, Fabian F.;
Helmchen, Fritjof;
Goniotaki, Despoina;
Aguzzi, Adriano;
Madisen, Linda;
Zeng, Hongkui;
Schneider, Bernard;
Ohkura, Masamichi;
Nakai, Junichi

Publication type:

Article

Tissue Clearing and Light Sheet Microscopy: Imaging the Unsectioned Adult Zebra Finch Brain at Cellular Resolution.

Published in:

Frontiers in Neuroanatomy, 2019, p. N.PAG, doi. 10.3389/fnana.2019.00013

By:

Rocha, Mariana Diales;
Düring, Daniel Normen;
Bethge, Philipp;
Voigt, Fabian F.;
Hildebrand, Staffan;
Helmchen, Fritjof;
Pfeifer, Alexander;
Hahnloser, Richard Hans Robert;
Gahr, Manfred

Publication type:

Article

iDISCO+ for the Study of Neuroimmune Architecture of the Rat Auditory Brainstem.

Published in:

Frontiers in Neuroanatomy, 2019, p. N.PAG, doi. 10.3389/fnana.2019.00015

By:

Perin, Paola;
Voigt, Fabian F.;
Bethge, Philipp;
Helmchen, Fritjof;
Pizzala, Roberto

Publication type:

Article

Prion pathogenesis is unaltered in a mouse strain with a permeable blood-brain barrier.

Published in:

PLoS Pathogens, 2018, v. 14, n. 11, p. 1, doi. 10.1371/journal.ppat.1007424

By:

Keller, Annika;
Nuvolone, Mario;
Abakumova, Irina;
Chincisan, Andra;
Reimann, Regina;
Avar, Merve;
Heinzer, Daniel;
Hornemann, Simone;
Wagner, Josephin;
Kirschenbaum, Daniel;
Voigt, Fabian F.;
Zhu, Caihong;
Regli, Luca;
Helmchen, Fritjof;
Aguzzi, Adriano

Publication type:

Article

Cortical Excitation:Inhibition Imbalance Causes Abnormal Brain Network Dynamics as Observed in Neurodevelopmental Disorders.

Published in:

Cerebral Cortex, 2020, v. 30, n. 9, p. 4922, doi. 10.1093/cercor/bhaa084

By:

Markicevic, Marija;
Fulcher, Ben D;
Lewis, Christopher;
Helmchen, Fritjof;
Rudin, Markus;
Zerbi, Valerio;
Wenderoth, Nicole

Publication type:

Article

Layer-Specific Refinement of Sensory Coding in Developing Mouse Barrel Cortex.

Published in:

Cerebral Cortex, 2017, v. 27, n. 10, p. 4835, doi. 10.1093/cercor/bhw280

By:

van der Bourg, Alexander;
Yang, Jenq-Wei;
Reyes-Puerta, Vicente;
Laurenczy, Balazs;
Wieckhorst, Martin;
Stüttgen, Maik C.;
Luhmann, Heiko J.;
Helmchen, Fritjof

Publication type:

Article

Author Correction: A brain-wide functional map of the serotonergic responses to acute stress and fluoxetine.

Published in:

2021

By:

Grandjean, Joanes;
Corcoba, Alberto;
Kahn, Martin C.;
Upton, A. Louise;
Deneris, Evan S.;
Seifritz, Erich;
Helmchen, Fritjof;
Mansuy, Isabelle M.;
Mann, Edward O.;
Rudin, Markus;
Saab, Bechara J.

Publication type:

Correction Notice

Developmental divergence of sensory stimulus representation in cortical interneurons.

Published in:

Nature Communications, 2020, v. 11, n. 1, p. N.PAG, doi. 10.1038/s41467-020-19427-z

By:

Kastli, Rahel;
Vighagen, Rasmus;
van der Bourg, Alexander;
Argunsah, Ali Özgür;
Iqbal, Asim;
Voigt, Fabian F.;
Kirschenbaum, Daniel;
Aguzzi, Adriano;
Helmchen, Fritjof;
Karayannis, Theofanis

Publication type:

Article

Estimating anisotropy directly via neural timeseries.

Published in:

Journal of Computational Neuroscience, 2022, v. 50, n. 2, p. 241, doi. 10.1007/s10827-021-00810-8

By:

Fagerholm, Erik D.;
Foulkes, W. M. C.;
Gallero-Salas, Yasir;
Helmchen, Fritjof;
Moran, Rosalyn J.;
Friston, Karl J.;
Leech, Robert

Publication type:

Article

In Vivo Calcium Imaging of CA3 Pyramidal Neuron Populations in Adult Mouse Hippocampus.

Published in:

eNeuro, 2021, v. 8, n. 4, p. 1, doi. 10.1523/ENEURO.0023-21.2021

By:

Schoenfeld, Gwendolin;
Carta, Stefano;
Rupprecht, Peter;
Ayaz, Aslı;
Helmchen, Fritjof

Publication type:

Article

HEV ORF2 protein-antibody complex deposits are associated with glomerulonephritis in hepatitis E with reduced immune status.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-53072-0

By:

Leblond, Anne-Laure;
Helmchen, Birgit;
Ankavay, Maliki;
Lenggenhager, Daniela;
Jetzer, Jasna;
Helmchen, Fritjof;
Yurtsever, Hueseyin;
Parrotta, Rossella;
Healy, Marc E.;
Pöschel, Amiskwia;
Markkanen, Enni;
Semmo, Nasser;
Ferrié, Martin;
Cocquerel, Laurence;
Seeger, Harald;
Hopfer, Helmut;
Müllhaupt, Beat;
Gouttenoire, Jérôme;
Moradpour, Darius;
Gaspert, Ariana

Publication type:

Article

HEV ORF2 protein-antibody complex deposits are associated with glomerulonephritis in hepatitis E with reduced immune status.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-53072-0

By:

Leblond, Anne-Laure;
Helmchen, Birgit;
Ankavay, Maliki;
Lenggenhager, Daniela;
Jetzer, Jasna;
Helmchen, Fritjof;
Yurtsever, Hueseyin;
Parrotta, Rossella;
Healy, Marc E.;
Pöschel, Amiskwia;
Markkanen, Enni;
Semmo, Nasser;
Ferrié, Martin;
Cocquerel, Laurence;
Seeger, Harald;
Hopfer, Helmut;
Müllhaupt, Beat;
Gouttenoire, Jérôme;
Moradpour, Darius;
Gaspert, Ariana

Publication type:

Article

Developmental Cajal-Retzius cell death contributes to the maturation of layer 1 cortical inhibition and somatosensory processing.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-50658-6

By:

Damilou, Angeliki;
Cai, Linbi;
Argunşah, Ali Özgür;
Han, Shuting;
Kanatouris, George;
Karatsoli, Maria;
Hanley, Olivia;
Gesuita, Lorenzo;
Kollmorgen, Sepp;
Helmchen, Fritjof;
Karayannis, Theofanis

Publication type:

Article

Whole‐brain microscopy reveals distinct temporal and spatial efficacy of anti‐Aβ therapies.

Published in:

EMBO Molecular Medicine, 2023, v. 15, n. 1, p. 1, doi. 10.15252/emmm.202216789

By:

Kirschenbaum, Daniel;
Dadgar‐Kiani, Ehsan;
Catto, Francesca;
Voigt, Fabian F;
Trevisan, Chiara;
Bichsel, Oliver;
Shirani, Hamid;
Nilsson, K Peter R;
Frontzek, Karl J;
Paganetti, Paolo;
Helmchen, Fritjof;
Lee, Jin Hyung;
Aguzzi, Adriano

Publication type:

Article

Model-based analysis of pattern motion processing in mouse primary visual cortex.

Published in:

Frontiers in Neural Circuits, 2015, v. 9, p. 1, doi. 10.3389/fncir.2015.00038

By:

Muir, Dylan R.;
Roth, Morgane M.;
Helmchen, Fritjof;
Kampa, Björn M.

Publication type:

Article

Inference of neuronal network spike dynamics and topology from calcium imaging data.

Published in:

Frontiers in Neural Circuits, 2013, v. 7, p. 1, doi. 10.3389/fncir.2013.00201

By:

Lütcke, Henry;
Gerhard, Felipe;
Zenke, Friedemann;
Gerstner, Wulfram;
Helmchen, Fritjof

Publication type:

Article

Simultaneous BOLD fMRI and fiber-optic calcium recording in rat neocortex.

Published in:

Nature Methods, 2012, v. 9, n. 6, p. 597, doi. 10.1038/nmeth.2013

By:

Schulz, Kristina;
Sydekum, Esther;
Krueppel, Roland;
Engelbrecht, Christoph J;
Schlegel, Felix;
Schröter, Aileen;
Rudin, Markus;
Helmchen, Fritjof

Publication type:

Article

High-speed in vivo calcium imaging reveals neuronal network activity with near-millisecond precision.

Published in:

2010

By:

Grewe, Benjamin F;
Langer, Dominik;
Kasper, Hansjörg;
Kampa, Björn M;
Helmchen, Fritjof

Publication type:

Correction Notice

High-speed in vivo calcium imaging reveals neuronal network activity with near-millisecond precision.

Published in:

Nature Methods, 2010, v. 7, n. 5, p. 399, doi. 10.1038/nmeth.1453

By:

Grewe, Benjamin F.;
Langer, Dominik;
Kasper, Hansjörg;
Kampa, Björn M.;
Helmchen, Fritjof

Publication type:

Article

New views into the brain of mice on the move.

Published in:

Nature Methods, 2008, v. 5, n. 11, p. 925, doi. 10.1038/nmeth1108-925

By:

Helmchen, Fritjof;
Petersen, Carl C. H.

Publication type:

Article

Imaging cellular network dynamics in three dimensions using fast 3D laser scanning.

Published in:

Nature Methods, 2007, v. 4, n. 1, p. 73, doi. 10.1038/nmeth989

By:

Göbel, Werner;
Kampa, Björn M.;
Helmchen, Fritjof

Publication type:

Article

Corrigendum: Deep tissue two-photon microscopy.

Published in:

2006

By:

Helmchen, Fritjof;
Denk, Winfried

Publication type:

Correction Notice

Deep tissue two-photon microscopy.

Published in:

Nature Methods, 2005, v. 2, n. 12, p. 932, doi. 10.1038/nmeth818

By:

Helmchen, Fritjof;
Denk, Winfried

Publication type:

Article

Sulforhodamine 101 as a specific marker of astroglia in the neocortex in vivo.

Published in:

Nature Methods, 2004, v. 1, n. 1, p. 31, doi. 10.1038/nmeth706

By:

Nimmerjahn, Axel;
Kirchhoff, Frank;
Kerr, Jason N. D.;
Helmchen, Fritjof

Publication type:

Article

Dendritic NMDA spikes are necessary for timing-dependent associative LTP in CA3 pyramidal cells.

Published in:

Nature Communications, 2016, v. 7, n. 11, p. 13480, doi. 10.1038/ncomms13480

By:

Brandalise, Federico;
Carta, Stefano;
Helmchen, Fritjof;
Lisman, John;
Gerber, Urs

Publication type:

Article

Neuronale Netzwerke im Rampenlicht: Mit leuchtenden Proteinen zelluläre Aktivitätsmuster entschlüsseln.

Published in:

Neuroforum, 2013, v. 19, n. 2, p. 47, doi. 10.1515/nf-2013-0203

By:

Helmchen, Fritjof;
Hübener, Mark

Publication type:

Article

Optische Messung neuronaler Netzwerkdynamik in 3D.

Published in:

Neuroforum, 2008, v. 14, n. 2, p. 184, doi. 10.1515/nf-2008-0202

By:

Göbel, Werner;
Helmchen, Fritjof

Publication type:

Article

Online correction of licking-induced brain motion during two-photon imaging with a tunable lens.

Published in:

Journal of Physiology, 2013, v. 591, n. 19, p. 4689, doi. 10.1113/jphysiol.2013.259804

By:

Chen, Jerry L.;
Pfäffli, Oliver A.;
Voigt, Fabian F.;
Margolis, David J.;
Helmchen, Fritjof

Publication type:

Article

Chronic imaging of cortical sensory map dynamics using a genetically encoded calcium indicator.

Published in:

Journal of Physiology, 2012, v. 590, n. 1, p. 99, doi. 10.1113/jphysiol.2011.219014

By:

Minderer, Matthias;
Liu, Wenrui;
Sumanovski, Lazar T.;
Kügler, Sebastian;
Helmchen, Fritjof;
Margolis, David J.

Publication type:

Article